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I would rather have questions that can’t be answered than answers which can’t be questioned.

— Richard Feynman, American Theoretical Physicist

Maybe true travel is not the transportation of the body, but a change of perception, renewing the mind. 

— Ben Okri,  Nigerian Poet and Novelist

During times of universal deceit, telling the truth becomes a revolutionary act.

— George Orwell, English Novelist

It is the mark of an educated mind, to entertain a thought without accepting it.

— Aristotle, Greek Philosopher and Scientist

The educated differ from the uneducated as much as the living differ from the dead.

— Aristotle, Greek Philosopher

Freedom is the right to tell people what they do not want to hear.

— George Orwell, English Novelist

For me, I am driven by two main philosophies: know more today about the world than I knew yesterday and lessen the suffering of others. You’d be surprised how far that gets you.

— Neil deGrasse Tyson, Science Communicator

An expert is a person who has made all the mistakes that can be made in a very narrow field.

— Niels Bohr, Danish physicist

The smallest minority on earth is the individual. Those who deny individual rights cannot claim to be defenders of minorities.

— Ayn Rand, Russian-American Novelist

Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less.

— Marie Curie, Physicist and Chemist
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