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

He who has done his best for his own time has lived for all times.

The best road to progress is freedom's road.

A failure is not always a mistake, it may simply be the best one can do under the circumstances. The real mistake is to stop trying.

The only real failure in life is not to be true to the best one knows.

In the practice of tolerance, one's enemy is the best teacher.

I want it said of me by those who knew me best, that I always plucked a thistle and planted a flower where I thought a flower would grow.

I do the very best I know how - the very best I can and I mean to keep on doing so until the end.

Short words are best and the old words when short are best of all.

Clever men are good, but they are not the best.