Mastery is often taken for egotism.

Whoever would do good in the world, ought not to deal in censure. We ought not to destroy, but rather construct.

‎It has ever been my fate to give pain to those whose happiness I should have promoted.

Precaution is better than cure.

Let everyone sweep in front of his own door, and the whole world will be clean.

Seize this very minute. What you can do or dream you can do, begin it. Begin it and the work will be completed

A talent can be cultivated in tranquility; a character only in the rushing stream of life.