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Refusal to believe until proof is given is a rational position; denial of all outside of our own limited experience is absurd.

— Annie Besant, British Theosophist

The intuitive mind is a sacred gift And the rational mind is a faithful servant.

— Albert Einstein, Theoretical Physicist

Give me 6 hours to chop a tree, I will spend the first 4 sharpening my axe.

— Abraham Lincoln, Former US President

It is no small art to sleep: for that purpose you must keep awake all day.

— Friedrich Nietzsche, German philosopher

The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.

— Isaac Asimov, American Writer and Professor

What, therefore, is a government at its best? It is a government that “governs” least and instead finds ways to mobilise the energies of our people.

— Vikram Sarabhai, Indian Scientist

Never memorize something that you can look up.

— Albert Einstein, Theoretical Physicist

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

Study without desire spoils the memory, and it retains nothing that it takes in.

— Leonardo da Vinci, Italian Renaissance Artist

The deepest sin against the human mind is to believe things without evidence.

— Thomas Hexley, English Biologist
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