The whole object of the Prophets and the Sages was to declare that a limit is set to human reason where it must halt.

The same is the case with those opinions of man to which he has been accustomed from his youth; he likes them, defends them, and shuns the opposite views.

Inspire me with love for my art and for thy creatures. In the sufferer let me see only the human being.

A wise man is a greater asset to a nation than a king.

Be convinced that, if man were able to reach the end without preparatory studies, such studies would not be preparatory but tiresome and utterly superfluous.

In the realm of Nature there is nothing purposeless, trivial, or unnecessary

Give a man a fish and you feed him for a day; teach a man to fish and you feed him for a lifetime.