Without freedom of thought, there can be no such thing as wisdom - and no such thing as public liberty without freedom of speech.
No one is useless in this world who lightens the burdens of another.
Opportunity is missed by most people because it is dressed in overalls and looks like work.
Genius is one per cent inspiration, ninety-nine per cent perspiration.
Prejudice is a burden that confuses the past, threatens the future and renders the present inaccessible.
All the great things are simple, and many can be expressed in a single word: freedom, justice, honor, duty, mercy, hope.
Few people are capable of expressing with equanimity opinions which differ from the prejudices of their social environment. Most people are even incapable of forming such opinions.
There is no expedient to which a man will not go to avoid the labor of thinking.
Tell the innocent visitor from another world that two people were killed at Serajevo, and that the best that Europe could do about it was to kill eleven million more.