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.

Knowledge, Action, Devotion are complementary to each other.

Books are as useful to a stupid person as a mirror is useful to a blind person.

The whole of science is nothing more than a refinement of everyday thinking.

The most savage controversies are those about matters as to which there is no good evidence either way.

I am indebted to my father for living, but to my teacher for living well.

Civilization is a race between disaster and education.

Liberty without Learning is always in peril and Learning without Liberty is always in vain.

Courage, conviction and confidence.

Industrialize or perish.

A little knowledge is a dangerous thing. So is a lot.

To every action there is always an equal and opposite or contrary, reaction

What is now proved was once only imagined.

Real learning comes about when the competitive spirit has ceased.

Seek knowledge from the cradle to the grave.

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

Physics is like sex: sure, it may give some practical results, but that's not why we do it.

If you can't explain it simply, you don't understand it well enough.

Education is the kindling of a flame, not the filling of a vessel.

A thought is an idea in transit.

In mathematics you don't understand things. You just get used to them.