Mankind is at its best when it is most free. This will be clear if we grasp the principle of liberty. We must recall that the basic principle is freedom of choice, which saying many have on their lips but few in their minds.
The water-lily, in the midst of waters, opens its leaves and expands its petals, at the first pattering of the shower, and rejoices in the rain-drops with a quicker sympathy than the packed shrubs in the sandy desert.
Freedom is not worth having if it does not connote freedom to err. It passes my comprehension how human beings, be they ever so experienced and able, can delight in depriving other human beings of that precious right.
I foresee it and yet I hardly ever carry it out as I foresee it. It transforms itself by the actual paint. I don't in fact know very often what the paint will do, and it does many things which are very much better than I could make it do.
A central lesson of science is that to understand complex issues (or even simple ones), we must try to free our minds of dogma and to guarantee the freedom to publish, to contradict, and to experiment. Arguments from authority are unacceptable.