Doubt is the origin of wisdom
French philosopher, mathematician, and scientist. A native of the Kingdom of France, he spent about 20 years of his life in the Dutch Republic after serving for a while in the Dutch States Army of Maurice of Nassau, Prince of Orange and the Stadtholder of the United Provinces.
The snake which cannot cast its skin has to die. As well the minds which are prevented from changing their opinions; they cease to be mind
It is man's natural sickness to believe that he possesses the truth
You can easily judge the character of a man by how he treats those who can do nothing for him
All our dreams can come true, if we have the courage to pursue them
Are you not fond of life? If not, you must not waste your time, because life is a garment made from the cloth of time.
Wise men speak when they have something to say, fools speak because they have to say something
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