Work, look for peace and calm in work: you will find it nowhere else
Russian chemist and inventor. He formulated the Periodic Law, created a farsighted version of the periodic table of elements, and used it to correct the properties of some already discovered elements and also to predict the properties of eight elements yet to be discovered.
Beware of false knowledge; it is more dangerous than ignorance
I learned long ago, never to wrestle with a pig. You get dirty, and besides, the pig likes it
To reach and pass by the goal is the same as not reaching it.
One must be sane to think clearly, but one can think deeply and be quite insane
He who boasts lowers himself
Be not entangled in this world of days and nights; Thou hast another time and space as well
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