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

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.

Fortune favors the prepared mind.

Life comes only from life.

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

The more I study nature, the more I stand amazed at the work of the Creator.