Everything that frees our spirit without giving us control of ourselves is ruinous.

To act is easy; to think is hard.

To think is easy. To act is hard. But the hardest thing in the world is to act in accordance with your thinking.

Misunderstandings and neglect occasion more mischief in the world than malice and wickedness.

Great thoughts and a pure heart, that is what we should ask from God.

He who has art and science also has religion, but those who do not have them better have religion.

One must not criticize that which is common since it remains always the same.