A person who never made a mistake never tried anything new.

Sometimes when you innovate, you make mistakes. It is best to admit them quickly, and get on with improving your other innovations.

The successful man will profit from his mistakes and try again in a different way.

A life spent making mistakes is not only more honorable, but more useful than a life spent doing nothing.

Knowledge rests not upon truth alone, but upon error also.

There is nothing so absurd or ridiculous that has not at some time been said by some philosopher.

Do not be embarrassed by your mistakes. Nothing can teach us better than our understanding of them. This is one of the best ways of self-education.

Mistakes are a fact of life. It is the response to error that counts.