Because the newer methods of treatment are good, it does not follow that the old ones were bad: for if our honorable and worshipful ancestors had not recovered from their ailments, you and I would not be here today.

Expect much from yourself and little from others and you will avoid incurring resentments

The great man is sparing in words but prodigal in deeds.

When words lose their meaning, people lose their liberty.

If you want happiness for a year, inherit a fortune. If you want happiness for a lifetime, help someone else.

The superior man is firm in the right way and not merely firm.

I do not enlighten those who are not eager to learn, nor arouse those who are not anxious to give an explanation themselves. If I have presented one corner of the square and they cannot come back to me with the other three, I should not go over the points again.