Pirkei Avot

Rabbi Yose said: Let the property of your fellow be as precious unto you as your own; Make yourself fit to study Torah for it will not be yours by inheritance; And let all your actions be for [the sake of] the name of heaven.

Rabbi Levitas a man of Yavneh said: be exceeding humble spirit, for the end of man is the worm. Rabbi Yohanan ben Berokah said: whoever profanes the name of heaven in secret, he shall be punished in the open. Unwittingly or wittingly, it is all one in profaning the name.

Rabbi Joshua said: an evil eye, the evil inclination, and hatred for humankind put a person out of the world.

Rabbi Shimon ben Elazar said: Do not try to appease your friend during his hour of anger; Nor comfort him at the hour while his dead still lies before him; Nor question him at the hour of his vow; Nor strive to see him in the hour of his disgrace.

Seven kinds of punishment come to the world for seven categories of transgression:When some of them give tithes, and others do not give tithes, a famine from drought comes some go hungry, and others are satisfied. When they have all decided not to give tithes, a famine from tumult and drought comes; [When they have, in addition, decided] not to set apart the dough-offering, an all-consuming famine comes. Pestilence comes to the world for sins punishable by death according to the Torah, but which have not been referred to the court, and for neglect of the law regarding the fruits of the sabbatical year. The sword comes to the world for the delay of judgment, and for the perversion of judgment, and because of those who teach the Torah not in accordance with the accepted law.

Rabban Gamaliel used to say: appoint for thyself a teacher, avoid doubt, and do not make a habit of tithing by guesswork.

Moreover he saw a skull floating on the face of the water. He said to it: because you drowned others, they drowned you. And in the end, they that drowned you will be drowned.

Yose ben Yoezer (a man) of Zeredah and Yose ben Yohanan (a man) of Jerusalem received [the oral tradition] from them [i.e. Shimon the Righteous and Antigonus]. Yose ben Yoezer used to say: let thy house be a house of meeting for the Sages and sit in the very dust of their feet, and drink in their words with thirst.