Beware of rashness, but with energy and sleepless vigilance go forward and give us victories.

Be not deceived. Revolutions do not go backward.

Whatever woman may cast her lot with mine, should any ever do so, it is my intention to do all in my power to make her happy and contented; and there is nothing I can imagine that would make me more unhappy than to fail in the effort.

Next came the Patent laws. These began in England in 1624; and, in this country, with the adoption of our constitution. Before then [these?], any man might instantly use what another had invented; so that the inventor had no special advantage from his own invention. The patent system changed this; secured to the inventor, for a limited time, the exclusive use of his invention; and thereby added the fuel of interest to the fire of genius, in the discovery and production of new and useful things.

Without the assistance of that Divine Being...I cannot succeed. With that assistance I cannot fail.

Let there be no compromise on the question of extending slavery. If there be, all our labor is lost, and, ere long, must be done again.

Human nature will not change. In any future great national trial, compared with the men of this, we shall have as weak and as strong, as silly and as wise, as bad and as good. Let us therefore study the incidents in this as philosophy to learn wisdom from and none of them as wrongs to be avenged.