We rise by lifting others.
The man who invented the telescope found out more about heaven than the closed eyes of prayer ever discovered.
The triumph of justice is the only peace.
Every library is an arsenal.
Nothing but truth is immortal.
I will not attack your doctrines nor your creeds if they accord liberty to me. If they hold thought to be dangerous - if they aver that doubt is a crime, then I attack them one and all, because they enslave the minds of men.