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

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.

Let me tell you the secret that has led me to my goal. My strength lies solely in my tenacity.

The greatest disorder of the mind is to let will direct it.

Fortune favors the prepared mind.

Life comes only from life.

Question your priorities often, make sure God always comes first.

The sea is everything. It covers seven tenths of the terrestrial globe. Its breath is pure and healthy. It is an immense desert, where man is never lonely, for he feels life stirring on all sides.

Science seldom proceeds in the straightforward logical manner imagined by outsiders. Instead, its steps forward (and sometimes backward) are often very human events in which personalities and cultural traditions play major roles.

Art is science in the flesh.

I turned against the left wing because they don’t like genetics, because genetics implies that sometimes in life we fail because we have bad genes. They want all failure in life to be due to the evil system.

If scientists don’t play God, who will?

My method of thought and reasoning is influenced by a scientific training—if that were not so my scientific training will have been a waste and a failure.

If politicians and scientists were lazier, how much happier we should all be.

We’re not all equal, it’s simply not true. That isn’t science.