Medical men do not know the drugs they use, nor their prices.

It was a high speech of Seneca that "The good things which belong to prosperity are to be wished, but the good things that belong to adversity are to be admired."

A man that is young in years may be old in hours if he have lost no time.

Because the acts or events of true history have not that magnitude which satisfieth the mind of man, poesy feigneth acts and events greater and more heroical.

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.

But the idols of the Market Place are the most troublesome of all: idols which have crept into the understanding through their alliances with words and names. For men believe that their reason governs words. But words turn and twist the understanding. This it is that has rendered philosophy and the sciences inactive. Words are mostly cut to the common fashion and draw the distinctions which are most obvious to the common understanding. Whenever an understanding of greater acuteness or more diligent observation would alter those lines to suit the true distinctions of nature, words complain.

Even within the most beautiful landscape, in the trees, under the leaves the insects are eating each other; violence is a part of life.