All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.
I decided to teach because I think that any person who studies philosophy has to be involved actively.
Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.
If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.
I cannot live without books.
The progressive development of man is vitally dependent on invention.
The knowledge of all things is possible
He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.
Education is a system of imposed ignorance.
I do not know how to teach philosophy without becoming a disturber of the peace.
Never help a child with a task at which he feels he can succeed.
As we acquire more knowledge, things do not become more comprehensible but more mysterious.
To every action there is always an equal and opposite or contrary, reaction
That men do not learn very much from the lessons of history is the most important of all the lessons that history has to teach.
A little knowledge that acts is worth infinitely more than much knowledge that is idle.
Industrialize or perish.
A little knowledge is a dangerous thing. So is a lot.
Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.
You can never be overdressed or overeducated.
Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
The task of a writer is not to solve the problem but to state the problem correctly.