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

Science and Peace will triumph over Ignorance and War...

When one works and imagines and dreams of nothing else than the search for answers that God has posed, it is difficult to be so still.

My strength lies solely in my tenacity.

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

It is surmounting difficulties that make heroes.

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.

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.

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

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.