Wine is the most healthful and most hygienic of beverages.

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

In the fields of observation chance favors only those minds which are prepared.

My strength lies solely in my tenacity.

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.

In good philosophy, the word cause ought to be reserved to the single Divine impulse that has formed the universe.

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