It is not enough to have a good mind; the main thing is to use it well
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 rights of every man are diminished when the rights of one man are threatened
Radium is not to enrich any one. It is an element; it is for all people
Gratitude is not only the greatest of virtues, but the parent of all others
The heart has its reasons which reason knows not
The book of nature which we have to read is written by the finger of God
There is nothing on this earth more to be prized than true friendship
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