(Rav Chisda): One who enters a Beis ha'Keneses must enter two door[-widths]. What is the source? "Ashrei Adam Shome'a Li Lishkod al Dalsosai Yom Yom [Lishmor Mezuzos Pesachai]" - Dalsosai, and not Dalti; Mezuzos, and not Mezuzah.

If he does so, what is written there (the next verse)? "Ki Motz'i Matza Chayim."

(Rav Chunah): One who goes to a Beis ha'Keneses must go quickly.

What is the source? "V'Ned'ah Nirdefah Lada'as Es Hash-m."

(Rav Chisda): When he leaves, he must leave slowly.

What is the source? "Ki Atah Tze'adai Tispor."

(R. Yochanan): There is a covenant - one who exerts in his learning in the Beis ha'Keneses, he will not forget quickly.

(R. Yochanan Antanyaisa): There is a covenant - one who exerts in his learning covertly, he will not forget quickly.

What is the source? "V'Es Tzenu'im Chachmah."

(R. Yochanan): There is a covenant - one who learns Agadah from a Sefer, he will not forget quickly.

(R. Tanchum): One who learns and investigates the reasons, he will not forget quickly.

What is the source [for both of these - CHAREDIM, MAHARA FULDA]? "Pen Tishkach Es ha'Devarim Asher Ra'u Einecha."

(R. Yonah citing R. Tanchum bei R. Chiya): One who sees a harsh dream, he must say May it be Your will, Hash-m Elokai vEilokei Avosai, that all the dreams that I dreamed, whether this night or other nights, whether I dreamed or others dreamed about me...

If they are good, they should be fulfilled upon me for joy, Simchah, Brachah and life;

If they are otherwise (bad), just like You reversed the [bitter] waters of Marah to become sweet, and the [bitter] waters of Yericho through Elisha to become sweet, and the [intended] curse of [Bil'am] ben Be'or to a Brachah, so may You reverse all my bad, harsh dreams, and what others dreamed about me, for good, Brachah, Refu'ah, life, Simchah, joy, and Shalom;

"Hafachta Mispedi l'Machol Li Pitachta Saki va'Te'azrani Simchah; L'Ma'an Yezamercha Chavod v'Lo Yidom Hash-m Elokai l'Olam Odeka."

"V'Lo Avah Hash-m Elokecha Lishmo'a El Bil'am va'Yahafoch Hash-m Elokecha Lecha Es ha'Klalah li'Vrachah Ki Ahevcha Hash-m Elokecha."

"Az Tismach Besulah b'Machol u'Vachurim u'Zekenim Yachdav v'Hafachti Evlam l'Sason v'Nichamtim v'Simachtim mi'Ygonam."

(Mishnah): Even if the king greets him, he may not answer him.

(R. Acha): This refers to a Yisrael king, but a Nochri king, he returns the greeting.

(Beraisa): If one was writing Hash-m's name, even if a king greeted him, he may not answer him;

If he was writing two or three [Kodesh] names, e.g. Kel Elokim Hash-m, he finishes one of them and returns the greeting.

R. Yochanan was sitting and reciting [Shma - HA'GAON RAV C. KANIEVSKY, SHLITA] in front of the Beis ha'Keneses of Bavel of Tziporin. An officer passed, and he did not get up in front of him. [The officer's servants] wanted to hit him;

The officer: Leave him! He is engaged in the service of his Creator.

R. Chanina and R. Yehoshua ben Levi went in front of the duke of Kisarin. He saw them, and rose in front of them.

[His subjects]: Do you rise in front of these Yehudim?!

The duke: I saw that their faces are like angels.

R. Yonah and R. Yosi came in front of the king in Antuchiya. He saw them, and rose in front of them.

[His subjects]: Do you rise in front of these Yehudim?!

The king: I see the image of their faces in war, and they make me victorious.

R. Avun came in front of the king. When he left, he turned his back to him (he forgot that one may not do so. The king's servants] wanted to kill him;

They saw two sparks of fire come out of the back of his neck, and left him. This fulfilled "v'Ra'u Kol Amei ha'Aretz Ki Shem Hash-m Nikra Alecha v'Yar'u Mimeka."

(Beraisa - R. Shimon ben Yochai): "V'Ra'u Kol Amei ha'Aretz Ki Shem Hash-m Nikra Alecha" - Kol includes even Ruchos, even demons.

R. Yanai and R. Yonason were going in the street of the city. One [Nochri] saw them, and said 'Shalom, youths!' They said, even the appearance of piety is not upon us, due to our bad [deeds - SEFER NIR].

Reish Lakish was excessively engrossed in thoughts of Torah. He went outside the Techum on Shabbos, and he was unaware. He fulfilled "b'Ahavasah Tishgeh Samid."

R. Yudan bei R. Yishmael was excessively engrossed in thoughts of Torah. His Talis fell from him; a snake guarded it (lest someone else take it). His Talmidim told him, Rebbi, your Talis fell! He said, is this Rasha not guarding it?!

(Mishnah): Even if a snake is wrapped around his heel, he may not interrupt.

(R. Chunah citing R. Yosi): We learned only about a snake, but a scorpion, he interrupts.

What is the reason? [A scorpion] stings and returns and stings. (It is more prone to damage than a snake.)

(R. Ila): We learned only if it is wrapped, but if it is angry and coming towards him, he hides from it, as long as he does not [verbally] interrupt his Tefilah.

(Beraisa): If he was standing and praying in an intercity road or the city square, he moves away from a donkey or wagon [coming towards him], as long as he does not interrupt his Tefilah.

(Beraisa): They said about R. Chanina ben Dosa, that he was praying and a Chavarbar (a crossbreed of a snake and toad - below, 8:5) came and bit him, and he did not interrupt his Tefilah. They went and found the Chavarbar dead, lying on the opening of its hole. They said, woe to the person who encounters a Chavarbar, and woe to the Chavarbar that bit R. Chanina ben Dosa!"

What is the outcome of a Chavarbar [bite]? When it bites someone, if the person comes to water before it does, the Chavarbar dies. If the Chavarbar comes to water before he does, the person dies.

R. Chanina ben Dosa's Talmidim: Rebbi, did you not feel [that it bit you]?!

R. Chanina ben Dosa: [Punishments] should come upon me [if it is not true that] since my heart had intent in my Tefilah, I did not feel it!

(R. Yitzchak bar Elazar): Hash-m created a spring under the feet of [R. Chanina ben Dosa, so he would get to water first], to fulfill "Retzon Yerei'av Ya'aseh v'Es Shav'asam Yishma v'Yoshi'em."