“There are no such things as applied sciences, only applications of science.”

Where are the real sources of human dignity, freedom and modern democracy, if not in the concept of infinity to which all men are equal?

Gentlemen, it is the microbes who will have the last word.

The Ancients understood the omnipotence of the underside of things.

Will opens the door to success, both brilliant and happy.

whatever your career may be, do not let yourselves become tainted by a deprecating and barren scepticism, do not let yourselves be discouraged by the sadness of certain hours which pass over nations.

The only thing that can bring joy is work.

To know how to wonder and question is the first step of the mind toward discovery.

Intuition is given only to him who has undergone long preparation to receive it.

I am utterly convinced that Science and Peace will triumph over Ignorance and War, that nation will eventually unite not to destroy but to edify, and that the future will belong to those who have done the most for the sake of suffering humanity.

Where observation is concerned, chance favors only the prepared mind.

It is surmounting difficulties that make heroes.

Chance favors the prepared mind.

There is a time in every man’s life when he looks to his God, when he looks at his life, when he wonders how he will be remembered.

When I approach a child he inspires in me two sentiments tenderness for what he is and respect for what he may become.

Wine is the most healthful and most hygienic of beverages.

Inspiration is the impact of a fact on a well-prepared mind.

Salt is born of the purest parents: the sun and the sea.

Vain is the word of that philosopher which does not heal any suffering of man.

Desire nothing for yourself, which you do not desire for others.

Life is not a problem. To look at it as a problem is to take a wrong step. It is a mystery to be lived, loved, experienced.

To adjust your philosophy and creativity in fashion to the time you’re living in is the most important thing.

Even a soul submerged in sleep is hard at work and helps make something of the world.

The road up and the road down is one and the same.

No matter how thin you slice it, there will always be two sides.