When a man is able to take abuse with a smile, he is worthy to become a leader.
A man's drive for profit should be prompted by the desire to give charity.
Flattery leads to vulgarity; the flatterer is despised.
A mitzvah that costs money is worth more than one that costs nothing.
The Torah itself becomes coarse in the mouth of a man of pride.
If you are not a better person tomorrow than you are today, what need have you for a tomorrow?