“Wissenschaft ist Macht.”

“The conquest of learning is achieved through the knowledge of languages.”

“Neglect of mathematics work injury to all knowledge, since he who is ignorant of it cannot know the other sciences or things of this world. And what is worst, those who are thus ignorant are unable to perceive their own ignorance, and so do not seek a remedy.”

“If in other sciences we should arrive at certainty without doubt and truth without error, it behooves us to place the foundations of knowledge in mathematics...”

“It is easier for a man to burn down his own house than to get rid of his prejudices.”

“the serpent if it wants to become the dragon must eat itself.”

“Parents who wish to train up their children in the way they should go must go in the way in which they would have their children go.”