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

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If you can't explain something simply, you don't know enough about it.

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A problem defined, is a problem half solved.

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Coincidence is God's way of remaining anonymous.

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Once you stop learning, you start dying

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Genius is making complex ideas simple, not making simple ideas complex

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We cannot get to where we dream of being tomorrow unless we change our thinking today.

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Logic can take you from point A to point B. Imagination can take you wherever you want

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The individual who has experienced solitude will not easily become a victim of mass suggestion.

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Success comes from curiosity, concentration, perseverance and self criticism.

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