A witty saying proves nothing.

No man's knowledge here can go beyond his experience.

The first idea the child must acquire is that of the difference between good and evil.

Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.

What is now proved was once only imagined.

Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.

The task of a writer is not to solve the problem but to state the problem correctly.

Science is not only a disciple of reason but, also, one of romance and passion.

Many much-learned men have no intelligence.

I decided to teach because I think that any person who studies philosophy has to be involved actively.

There is no authority who decides what is a good idea.

Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.

For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.

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

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

God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.

The great difficulty in education is to get experience out of ideas.

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

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

There is one quality which one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it.

Those who fail to learn the lessons of history are doomed to repeat them.