For first of all we must prepare a Natural and Experimental History, sufficient and good; and this is the foundation of all; for we are not to imagine or suppose, but to discover, what nature does or may be made to do.
I feel that I am much freer if I'm on my own, but I'm sure that there are a lot of painters who would perhaps be even more inventive if they had people round them... I find that if I am on my own I can allow the paint to dictate to me. So the images that I'm putting down on the canvas dictate the thing to me and it gradually builds up and comes along.
You cannot teach a child to take care of himself unless you will let him try to take care of himself. He will make mistakes and out of these mistakes will come his wisdom.
In every great time there is some one idea at work which is more powerful than any other, and which shapes the events of the time and determines their ultimate issues.
If any human being earnestly desire to push on to new discoveries instead of just retaining and using the old; to win victories over Nature as a worker rather than over hostile critics as a disputant; to attain, in fact, clear and demonstrative knowlegde instead of attractive and probable theory; we invite him as a true son of Science to join our ranks.