The mind is not a vessel to be filled but a fire to be ignited. – Plutarch

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If my mind can conceive it, if my heart can believe it, then I can achieve it. — Muhammad Ali

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To me it begins and ends with these psychedelic substances. The synergy of the psilocybin in the hominid diet brought us out of the animal mind and into the world of articulated speech and imagination.

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I put my heart and my soul into my work, and have lost my mind in the process.

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My mind speaks English, my heart speaks Russian, and my ear prefers French.

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I like friends who have independent minds because they tend to make you see problems from all angles.

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I like friends who have independent minds because they tend to make you see problems from all angles. — Nelson Mandela

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There are all kinds of devices invented for the protection and preservation of countries: defensive barriers, forts, trenches, and the like... But prudent minds have as a natural gift one safeguard which is the common possession of all, and this applies especially to the dealings of democracies. What is this safeguard? Skepticism. This you must preserve. This you must retain. If you can keep this, you need fear no harm.

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The only real problem in your life is how you're using your mind.

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Quiet people have the loudest minds.

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