Knowledge, Action, Devotion are complementary to each other.

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

The ability to observe without evaluating is the highest form of intelligence.

To read is to fly: it is to soar to a point of vantage which gives a view over wide terrains of history, human variety, ideas, shared experience and the fruits of many inquiries.

Common sense is the collection of prejudices acquired by age eighteen.

I do not know how to teach philosophy without becoming a disturber of the peace.

Industrialize or perish.

An investment in knowledge pays the best interest.

I cannot teach anybody anything. I can only make them think

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

It is better to know how to learn than to know.

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

My weapon is literature

I think that kids have a greater capacity for processing things than we give them credit for.

Knowing others is wisdom, knowing yourself is Enlightenment.

A cynic is a man who knows the price of everything, and the value of nothing.

Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.

When I am attacked by gloomy thoughts, nothing helps me so much as running to my books. They quickly absorb me and banish the clouds from my mind.

It isn't what we don't know that gives us trouble, it's what we know that ain't so.

The idea is to try to give all the information to help others to judge the value of your contribution; not just the information that leads to judgment in one particular direction or another.

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