Change only favours minds that are diligently looking and preparing for discovery.

Do not put forward anything that you cannot prove by experimentation.

Without theory, practice is but routine born of habit. Idea alone can bring forth and develop the spirit of inventions.

The only thing that can bring joy is work.

It would seem to me that I was committing a theft if I were to let one day go by without doing some work.

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

Blessed is he who carries within himself a God, an ideal, and obeys it.

Live in the serene peace of laboratories and libraries

The grandeur of the acts of men are measured by the inspiration from which they spring. Happy is he who bears a God within.

Life comes only from life.

Luck favors the mind that is prepared.

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

The most significant derangement of the mind is to believe in something because one wishes it to be so.

The role of the infinitely small in nature is infinitely significant.

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

It is not the germs we need to worry about. It is our inner terrain.

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

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

Little science takes you away from God but more of it takes you to Him.