The history of intellectual progress is written in the lives of infidels.
Kindness is the sunshine in which virtue grows.
The closer I'm bound in love to you, the closer I am to free.
Let us agree not to step on each other’s feet.
Upon the great questions of origin, of destiny, of immortality, of . . . other worlds, every honest man must say, 'I do not know.' Upon these questions, this is the creed of intelligence.
It has always seemed absurd to suppose that a god would choose for his companions, during all eternity, the dear souls whose highest and only ambition is to obey.