A circumstance which has always appeared wonderful to me, is that such sublime discoveries should have been made by the sole assistance of a quadrant and a little arithmetic.

It is amusing that a virtue is made of the vice of chastity; and it's a pretty odd sort of chastity at that, which leads men straight into the sin of Onan, and girls to the waning of their color.

But nothing is more estimable than a physician who, having studied nature from his youth, knows the properties of the human body, the diseases which assail it, the remedies which will benefit it, exercises his art with caution, and pays equal attention to the rich and the poor.

We are rarely proud when we are alone.

God is a circle whose center is everywhere and circumference nowhere.

It is lamentable, that to be a good patriot one must become the enemy of the rest of mankind.

The adjective is the enemy of the noun. Variant: The adjective is the enemy of the substantive.