Most often people seek in life occasions for persisting in their opinions rather than for educating themselves.

This is my thesis: Do you know what is needful to turn an honest man into a rogue! A change of scene--a moment's forgetfulness suffice.

A caterpillar who seeks to know himself would never become a butterfly

Prejudices are the props of civilization

If you stop learning, you let the world go on without you.

It is better to be hated for what you are than be loved for something you are not.