There are three principal means of acquiring knowledge... observation of nature, reflection, and experimentation. Observation collects facts reflection combines them experimentation verifies the result of that combination.
Denis Diderot
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As in nature, as in art, so in grace it is rough treatment that gives souls, as well as stones, their luster. -
It is not human nature we should accuse but the despicable conventions that pervert it. -
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We all dream. We dream vividly, depending on our nature. Our existence is beyond our explanation, whether we believe in God or we have religion or we're atheist.
More quotes by Denis Diderot
- When superstition is allowed to perform the task of old age in dulling the human temperament, we can say goodbye to all excellence in poetry, in painting, and in music.
- Genius is present in every age, but the men carrying it within them remain benumbed unless extraordinary events occur to heat up and melt the mass so that it flows forth.
- When science, art, literature, and philosophy are simply the manifestation of personality they are on a level where glorious and dazzling achievements are possible, which can make a man's name live for thousands of years.
- The best doctor is the one you run to and can't find.
- There are things I can't force. I must adjust. There are times when the greatest change needed is a change of my viewpoint.