There are two men in each one of us: the scientist, he who starts with a clear field and desires to rise to the knowledge of Nature through observations, experimentation and reasoning, and the man of sentiment, the man of belief, the man who mourns his dead children, and who cannot, alas, prove that he will see them again, but who believes that he will, and lives in the hope – the man who will not die like a vibrio, but who feels that the force that is within him cannot die.

The flavor of wine is like delicate poetry.

Luck favors the mind that is prepared.

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

Analogy cannot serve as proof.

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

Did you ever observe to whom the accidents happen? Chance favors only the prepared mind.