Give to every human being every right that you claim for yourself.

It is a thousand times better to have common sense without education than to have education without common sense.

Shakespeare has done far more for the world than the Bible.

Surely there is grandeur in knowing that in the realm of thought, at least, you are without a chain; that you have the right to explore all heights and depth; that there are no walls nor fences, nor prohibited places, nor sacred corners in all the vast expanse of thought.

The man who invented the telescope found out more about heaven than the closed eyes of prayer ever discovered.

A mortgage casts a shadow on the sunniest field.

I believe that there is something far nobler than loyalty to any particular man. Loyalty to the truth as we perceive it - loyalty to our duty as we know it - loyalty to the ideals of our brain and heart - is, to my mind, far greater and far nobler than loyalty to the life of any particular man or God. . . .