(1646-1716) German Mathematician, Philosopher

It's easier to be original and foolish than original and wise.


To love is to place our happiness in the happiness of another.


With every lost hour, a part of life perishes.


Deeds make people.


Nature does not make leaps.


In the realm of spirit, seek clarity; in the material world, seek utility.


The present is big with the future.


I have hope that society may be reformed, when I see how much education may be reformed.


Music is a hidden arithmetic exercise of the soul, which does not know that it is counting.


There are two kinds of truths: those of reasoning and those of facts. The truths of reasoning are necessary and their opposite is impossible; the truths of fact are contingent and their opposites are possible.