Courage, conviction and confidence.
The highest result of education is tolerance.
What is now proved was once only imagined.
Necessity is the mother of invention.
The man who is fond of books is usually a man of lofty thought, and elevated opinions.
Education is the kindling of a flame, not the filling of a vessel.
Industrialize or perish.
Don't learn to do, but learn in doing.
Show me a family of readers, and I will show you the people who move the world.
If you're teaching today what you were teaching five years ago, either the field is dead or you are.
Science is a way of thinking much more than it is a body of knowledge.
I cannot teach anybody anything. I can only make them think
Investigate, educate and organize.
The highest activity a human being can attain is learning for understanding, because to understand is to be free.
If one cannot enjoy reading a book over and over again, there is no use in reading it at all.
Patience is a virtue, and I'm learning patience. It's a tough lesson.
No man's knowledge here can go beyond his experience.
The deepest sin against the human mind is to believe things without evidence.
Men are born ignorant, not stupid. They are made stupid by education.
Don't worry that children never listen to you; worry that they are always watching you.
Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.