It is a grand mistake to think of being great without goodness and I pronounce it as certain that there was never a truly great man that was not at the same time truly virtuous.

To be great is to be misunderstood.

There never was a truly great man that was not at the same time truly virtuous.

The wise man does not expose himself needlessly to danger since there are few things for which he cares sufficiently but he is willing in great crises to give even his life - knowing that under certain conditions it is not worthwhile to live.

A great empire like a great cake is most easily diminished at the edges.

I conceive that the great part of the miseries of mankind are brought upon them by false estimates they have made of the value of things.

Beware of little expenses. A small leak will sink a great ship.

I call upon the scientific community in our country those who gave us nuclear weapons to turn their great talents now to the cause of mankind and world peace: to give us the means of rendering these nuclear weapons impotent and obsolete.

Great men are they who see that spiritual is stronger than any material force - that thoughts rule the world.

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