St Thomas (Aqinas) loved books and lived on books... When asked for what he thanked God most, he answered simply, ‘I have understood every page I ever read’.

What is the good of telling a community that it has every liberty except the liberty to make laws? The liberty to make laws is what constitutes a free people.

I say that a man must be certain of his morality for the simple reason that he has to suffer for it.

Over-civilization and barbarism are within an inch of each other. And a mark of both is the power of medicine-men.

With any recovery from morbidity there must go a certain healthy humiliation.

Men rush toward complexity; but yearn for simplicity.

Unfortunately, 19th-century scientists were just as ready to jump to the conclusion that any guess about nature was an obvious fact, as were 17th-century sectarians to jump to the conclusion that any guess about Scripture was the obvious explanation . . . . and this clumsy collision of two very impatient forms of ignorance was known as the quarrel of Science and Religion.