To say that a man lieth, is as much to say, as that he is brave towards God, and a coward towards men.

And as for Mixed Mathematics, I may only make this prediction, that there cannot fail to be more kinds of them, as nature grows further disclosed.

Fashion is only the attempt to realize art in living forms and social intercourse.

I'm working for myself; what else have I got to work for? How can you work for an audience? What do you imagine an audience would want? I have got nobody to excite except myself, so I am always surprised if anyone likes my work sometimes. I suppose I'm very lucky, of course, to be able to earn my living by something that really absorbs me to try to do, if that is what you call luck.

Prosperity is not without many fears and distastes; adversity not without many comforts and hopes.

Croesus said to Cambyses; That peace was better than war; because in peace the sons did bury their fathers, but in wars the fathers did bury their sons.

Again there is another great and powerful cause why the sciences have made but little progress; which is this. It is not possible to run a course aright when the goal itself has not been rightly placed.