I have just been conversing with one man, to whom no weight of adverse experience will make it for a moment appear impossible that thousands of human beings might exercise towards each other the grandest and simplest sentiments, as well as a knot of friends, or a pair of lovers.
The man whose whole life is spent in performing a few simple operations, of which the effects are perhaps always the same, or very nearly the same, has no occasion to exert his understanding or to exercise his invention in finding out expedients for removing difficulties which never occur. He naturally loses, therefore, the habit of such exertion, and generally becomes as stupid and ignorant as it is possible for a human creature to become.
We study health, and we deliberate upon our meats and drink and air and exercises, and we hew and we polish every stone that goes to that building; and so our health is a long and regular work. But in a minute a cannon batters all, overthrows all, demolishes all; a sickness unprevented for all our diligence, unsuspected for all our curiosity, nay, undeserved, if we consider only disorder, summons us, seizes us, possesses us, destroys us in an instant.
For this, be sure, tonight thou shalt have cramps, Side-stitches that shall pen thy breath up. Urchins Shall forth at vast of night that they may work All exercise on thee. Thou shalt be pinched As thick as honeycomb, each pinch more stinging Than bees that made 'em.
But the virtues we get by first exercising them, as also happens in the case of the arts as well. For the things we have to learn before we can do them, we learn by doing them, e.g. men become builders by building and lyre players by playing the lyre; so too we become just by doing just acts, temperate by doing temperate acts, brave by doing brave acts.
I know I need to exercise. For some people, exercise is like breathing; for others, like me, it takes effort. Exercising is what I need for my metabolism and for a better sense of well-being.
I must remind you that our credulity is not to be measured by the truth of the things we believe. When men believed that the earthwas flat, they were not credulous: they were using their common sense, and, if asked to prove that the earth was flat, would have said simply, "Look at it." Those who refuse to believe that it is round are exercising a wholesome skepticism.
Societies will, of course, wish to exercise prudence in deciding which technologies that is, which applications of science are to be pursued and which not. But without funding basic research, without supporting the acquisition of knowledge for its own sake, our options become dangerously limited.
There never has been devised, and there never will be devised, any law which will enable a man to succeed save by the exercise of those qualities which have always been the prerequisites of success - the qualities of hard work, of keen intelligence, of unflinching will.
There is nothing that God hath established in a constant course of nature, and which therefore is done every day, but would seem a Miracle, and exercise our admiration, if it were done but once.
The statesman who should attempt to direct private people in what manner they ought to employ their capitals would not only load himself with most unnecessary attention but assume an authority which could safely be trusted to no council and senate whatever, and which would nowhere be so dangerous as in the hands of man who have folly and presumption enough to fancy himself fit to exercise it.
To feel much for others and little for ourselves, that to restrain our selfish, and to indulge our benevolent affections, constitutes the perfection of human nature.
One of the reasons for its success is that science has a built-in, error-correcting machinery at its very heart. Some may consider this an overbroad characterization, but to me every time we exercise self-criticism, every time we test our ideas against the outside world, we are doing science. When we are self-indulgent and uncritical, when we confuse hopes and facts, we slide into pseudoscience and superstition.