In the production of the necessaries of life Nature is ready enough to assist man.

The church is a sort of hospital for men's souls and as full of quackery as the hospital for their bodies.

Fishing has been styled 'a contemplative man's recreation,' ... and science is only a more contemplative man's recreation.

It is never too late to give up our prejudices. No way of thinking or doing, however, ancient, can be trusted without proof. ... Old deeds for old people, and new deeds for new.

Though the youth at last grows indifferent, the laws of the universe are not indifferent, but are forever on the side of the most sensitive.

Seeds, there are seeds enough which need only be stirred in with the soil where they lie, by an inspired voice or pen, to bear fruit of a divine flavor.

When a sixth of the population of a nation which has undertaken to be the refuge of liberty are slaves, and a whole country [Mexico] is unjustly overrun and conquered by a foreign army, and subjected to military law, I think that it is not too soon for honest men to rebel and revolutionize. What makes this duty the more urgent is the fact that the country so overrun is not our own, but ours is the invading army.