Death comes to all, but great achievements build a monument which shall endure until the sun grows cold.

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

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

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

If you cannot do great things, do small things in a great way.

Great things are not accomplished by those who yield to trends and fads and popular opinion.

All the great things are simple, and many can be expressed in a single word: freedom, justice, honor, duty, mercy, hope.

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

Small opportunities are often the beginning of great enterprises.

There is no greater agony than bearing an untold story inside you.