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

One cannot explain words without making incursions into the sciences themselves, as is evident from dictionaries; and, conversely, one cannot present a science without at the same time defining its terms.

Therefore, I have attacted [the problem of the catenary] which I had hitherto not attempted, and with my key [the differential calculus] happily opened its secret. Acta eruditorum

The greatness of a life can only be estimated by the multitude of its actions. We should not count the years, it is our actions which constitute our life.

The pleasure we obtain from music comes from counting, but counting unconsciously. Music is nothing but unconscious arithmetic.

God makes nothing without order, and everything that forms itself develops imperceptibly out of small parts.

The Divine Spirit found a sublime outlet in that wonder of analysis, that portent of the ideal world, that amphibian between being and not-being, which we call the imaginary root of negative unity.

The present is saturated with the past and pregnant with the future.

Our reasonings are grounded upon two great principles, that of contradiction, in virtue of which we judge false that which involves a contradiction, and true that which is opposed or contradictory to the false.

The larger the mass of collected things, the less will be their usefulness. Therefore, one should not only strive to assemble new goods from everywhere, but one must endeavor to put in the right order those that one already possesses.

Take what you need, do what you should, you will get what you want.

Of what use would it be to you, sir, to become King of China on condition that you forgot what you have been? Would it not be the same as if God, at the same time he destroyed you, created a King in China?

I have said more than once, that I hold space to be something purely relative, as time; an order of coexistences, as time is an order of successions.

A distinction must be made between true and false ideas, and that too much rein must not be given to a man’s imagination under pretext of its being a clear and distinct intellection.

He who understands Archimedes and Apollonius will admire less the achievements of the foremost men of later times.

Music is the pleasure the human mind experiences from counting without being aware that it is counting.

I hold that the mark of a genuine idea is that its possibility can be proved, either a priori by conceiving its cause or reason, or a posteriori when experience teaches us that it is in fact in nature.

It is not so much the greatness of our troubles, as the littleness of our spirit, which makes us complain.

The story goes that a public sinner was excommunicated and forbidden entry to the church. He took his woes to God. ‘They won’t let me in, Lord, because I am a sinner.’ ‘What are you complaining about?’ said God. ‘They won’t let Me in either.

He who complains, sins.

Rejoicing in ordinary things is not sentimental or trite. It actually takes guts. Each time we drop our complaints and allow everyday good fortune to inspire us, we enter the warrior’s world.

It is a great imperfection to complain unceasingly of little things.

Listen, if my career was to end tomorrow, I would have no complaints whatsoever.

Firmness in enduring and exertion is a character I always wish to possess. I have always despised the whining yelp of complaint and cowardly resolve.

I have absolutely no complaints about my life. But people think I got handed everything, all this kind of fell in my lap, that I was just God-gifted with all this talent. I wanted people to realize it’s a lot tougher than just waking up one day and you’re in the NHL.