Without freedom of thought, there can be no such thing as wisdom - and no such thing as public liberty without freedom of speech.
Ethical axioms are found and tested not very differently from the axioms of science. Truth is what stands the test of experience.
Everything you are against weakens you. Everything you are for empowers you.
Difficulties are meant to rouse, not discourage. The human spirit is to grow strong by conflict.
— William Ellery Channing
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.
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.
"I'm not going to do just nothing anymore.""Well, not so much. They don't let you."