It isn't what we don't know that gives us trouble, it's what we know that ain't so.
Investigate, educate and organize the country must progress, productive works and industries are the main avenues at present next to education for the advancement of the country
No power and no treasure can outweigh the extension of our knowledge.
Reading is to the mind what exercise is to the body.
Industrialize or perish.
What is now proved was once only imagined.
A cynic is a man who knows the price of everything, and the value of nothing.
Common sense is the collection of prejudices acquired by age eighteen.
Better know nothing than half-know many things.
Education is the best friend. An educated person is respected everywhere. Education beats the beauty and the youth.
The fullness of knowledge only comes through the awareness of ignorance.
Education is a human right with immense power to transform. On its foundation rest the cornerstones of freedom, democracy and sustainable human development.
I do not know how to teach philosophy without becoming a disturber of the peace.
The first principle is that you must not fool yourself and you are the easiest person to fool.
My weapon is literature
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
I am a part of everything that I have read.
Necessity is the mother of invention.
Books are for people who wish they were somewhere else.
What we know is a drop, what we don't know is an ocean.
You can never learn less, you can only learn more.