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While I thought that I was learning how to live, I have been learning how to die.

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Water is the driving force in nature.

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Human subtlety will never devise an invention more beautiful, more simple or more direct than does nature because in her inventions nothing is lacking...more

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Obstacles cannot crush me. Every obstacle yields to stern resolve. He who is fixed to a star does not change his mind.

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As iron rusts when not used, and water gets foul from standing or turns to ice when exposed to cold, so the intellect degenerates without exercise.-Le...more

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All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.

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I abhor the supreme folly of those who blame the disciples of nature in defiance of those masters who were themselves her pupils

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To me it seems that those sciences are vain and full of error which are not born of experience, mother of all certainty, first-hand experience which i...more