Nature and nature's laws lay hid in the night. God said, Let Newton be! and all was light!

All nature is but art unknown to thee.

Slave to no sect, who takes no private road, But looks through Nature up to Nature's God.

Extremes in nature equal ends produce In man they join to some mysterious use.

Behold the child, by Nature's kindly law pleased with a rattle, tickled with a straw.

The most positive men are the most credulous.

One science only will one genius fit so vast is art, so narrow human wit.

Trust not yourself, but your defects to know, make use of every friend and every foe.

And, after all, what is a lie? 'Tis but the truth in a masquerade.

Know then this truth, enough for man to know virtue alone is happiness below.