Science and technology have freed humanity from many burdens and given us this new perspective and great power. This power can be used for the good of all. If wisdom governs our actions; but if the world is mad or foolish, it can destroy itself just when great advances and triumphs are almost without its grasp.

Action to be effective must be directed to clearly conceived ends.

Only a prisoner who has been confined for long behind high walk can appreciate the extraordinary psychological value of these outside walks and open views.

There is nothing more horrifying than stupidity in action.

Without peace, all other dreams vanish and are reduced to ashes.

Facts are facts and will not disappear on account of your likes.

Time is not measured by the passing of years but by what one does, what one feels, and what one achieves.