'Infidel' is a term of reproach, which Christians and Mohammedans, in their modesty, agree to apply to those who differ from them |
"Learn what is true in order to do what is right" is the summing up of the whole duty of man |
A man's worst difficulties begin when he is able to do as he likes |
A well-worn adage advises those who set out upon a great enterprise to count the cost, yet some of the greatest enterprises have succeeded because the people who undertook them did not count the cost. |
A world of facts lies outside and beyond the world of words |
Agnosticism simply means that a man shall not say he knows or believes that for which he has no grounds for professing to believe |
All truth, in the long run, is only common sense clarified. |
Books are the money of Literature, but only the counters of Science. |
Ecclesiasticism in science is only unfaithfulness to truth |
Every great advance in natural knowledge has involved the absolute rejection of authority. |
Follow humbly wherever and to whatever abyss Nature leads, or you shall learn nothing. |
For every man the world is as fresh as it was at the first day, and as full of untold novelties for him who has the eyes to see them |
Freedom and order are not incompatible... truth is strength... free discussion is the very life of truth. |
God give me strength to face a fact though it slay me |
I am too much of a skeptic to deny the possibility of anything. |