“Philosophy consists mostly of kicking up a lot of dust and then complaining that you can’t see anything.”

Nature does not make leaps.

Taking mathematics from the beginning of the world to the time when Newton lived, what he had done was much the better half.

Nothing is necessitated whose opposite is possible.

Every substance is as a world apart, independent of everything else except God.

We never have a full demonstration, although there is always an underlying reason for the truth, even if it is only perfectly understood by God, who alone penetrated the infinite series in one stroke of the mind.

The present is big with the future, the future might be read in the past, the distant is expressed in the near.

Nothing is more important than to see the sources of invention which are, in my opinion more interesting than the inventions themselves.

In my judgment an organic machine new to nature never arises, since it always contains an infinity of organs so that it can express, in its own way, the whole universe; indeed, it always contains all past and present times.

But it is the knowledge of necessary and eternal truths which distinguishes us from mere animals, and gives us reason and the sciences, raising us to knowledge of ourselves and God. It is this in us which we call the rational soul or mind.

A great doctor kills more people than a great general.

The most perfect society is that whose purpose is the universal and supreme happiness.

Imaginary numbers are a fine and wonderful refuge of the divine spirit almost an amphibian between being and non-being.

Why is there anything at all rather than nothing whatsoever?

He who hasn’t tasted bitter things hasn’t earned sweet things.

We live in the best of all possible worlds.

All things in God are spontaneous.

Eurydice, dying now a second time, uttered no complaint against her husband. What was there to complain of, but that she had been loved?

He who avoids complaint invites happiness.

Everybody was saying we must have more leisure. Now they are complaining they are unemployed.

Don’t just sit around and complain about things. Do something.

My mother always used to say, “don’t sit around and complain about things, do something.” I’ve tried to follow that advice every day and live by the example she set.

Never complain. Never explain.

Champions never complain, they are too busy getting better.

Stay in school. Don’t ever be lazy, don’t you ever complain about hard work. Work hard, it pays off.