It is not the strength, but the duration, of great sentiments that makes great men.

The absent are never without fault, nor the present without excuse.

One of the truest tests of integrity is its blunt refusal to be compromised.

Where you stand depends on where you sit.

There is always time to add a word, never to withdraw one.

To do great things is difficult, but to command great things is more difficult.

I have no desire to make windows into mens souls

Yesterday I was clever, so I wanted to change the world. Today I am wise, so I am changing myself.

Take care of the pieces well. The whole will take care of itself.

Sometimes you will never know the value of a moment until it becomes a memory.

I think, therefore I am.

Wonder is the beginning of wisdom.

Blessed are they who hunger and thirst for righteousness for they shall be satisfied.

A precedent embalms a principle.

Be frank and explicit. That is the right line to take when you wish to conceal your own mind and to confuse the minds of others.

The ultimate authority must always rest with the individual's own reason and critical analysis.

Every aquarium will eventually leak.

Men are not prisoners of fate, but only prisoners of their own minds.

Great acts are made up of small deeds.

Those who cannot work with their hearts achieve but a hollow, half-hearted success that breeds bitterness all around.

Nothing is so strong as gentleness, nothing so gentle as real strength