The winds and waves are always on the side of the ablest navigators.
I am surprised nothing has been made of the fact that astronaut Neil Armstrong carried no sidearms when he landed on the moon.
You commit a sin of omission if you do not utilize all the power that is within you.
The trouble with specialists is that they tend to think in grooves.
The measure of a master is his success in bringing everyone round to his opinion 20 years later.
The difference between what we do and what we are capable of doing would solve most of the world's problems.
The best is the enemy of the good.
Nothing is too small to know, and nothing is too big to attempt.
An expert is someone who knows some of the worst mistakes that can be made in his subject -- and how to avoid them.
An expert is a person who has made all the mistakes which can be made in a very narrow field.