He who marvels at the beauty of the world in summer will find equal cause for wonder and admiration in winter.

The commitment to international agreements is embodied, it's found in the U.S. Constitution. Article Six of the U.S. Constitution provides that treaties of the United States are part of the supreme law of the land along with the constitution itself and laws passed by Congress. Well, the US government certainly has not been acting in recent years as if treaties were part of the supreme law of the land.

Science is a capital or fund perpetually reinvested; it accumulates, rolls up, is carried forward by every new man. Every man of science has all the science before him to go upon, to set himself up in business with. What an enormous sum Darwin availed himself of and reinvested! Not so in literature; to every poet, to every artist, it is still the first day of creation, so far as the essentials of his task are concerned. Literature is not so much a fund to be reinvested as it is a crop to be ever new-grown.

Oh, Spring is surely coming, Her couriers fill the air; Each morn are new arrivals, Each night her ways prepare; I scent her fragrant garments, Her foot is on the stair.

Look underfoot. You are always nearer to the true sources of your power than you think. The lure of the distant and the difficult is deceptive. The great opportunity is where you are. Don't despise your own place and hour. Every place is the center of the world.

The only countries that are outside of [ Nuclear Non-Proliferation Treaty] are Israel, Pakistan, India, and North Korea withdrew in the last few years.

[T]he cold warms me—after a different fashion from that of the kitchen stove.