The greatest way to live with honor in this world is to be what we pretend to be.

Most people say that it is the intellect which makes a great scientist. They are wrong: it is character.

Suffering becomes beautiful when anyone bears great calamities with cheerfulness, not through insensibility but through greatness of mind.

Enthusiasm is the mother of effort, and without it nothing great was ever achieved.

To be conscious that you are ignorant of the facts is a great step to knowledge.

Little minds are tamed and subdued by misfortune but great minds rise above them.

After climbing a great hill, one only finds that there are many more hills to climb.

All difficult things have their origin in that which is easy, and great things in that which is small.

To walk around with an ego is a bad thing. To have confidence in yourself is a great thing.

A great part of courage is the courage of having done the thing before.