Try to become not a man of success, but try rather to become a man of value.

Success is going from failure to failure without a loss of enthusiasm.

I’ve learned that mistakes can often be as good a teacher as success.

Success is a lousy teacher. It seduces smart people into thinking they can't lose.

One secret of success in life is for a man to be ready for his opportunity when it comes.

The secret of success is constancy to purpose. Speech of 1870-06-24