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

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

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

Only those who dare to fail greatly can ever achieve greatly.

People with great gifts are easy to find, but symmetrical and balanced ones never.

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

There is no pain so great as the memory of joy in present grief.

Pray that your loneliness may spur you into finding something to live for, great enough to die for.

Our greatest glory is not in never failing, but in rising up every time we fail.

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