Principles are conventions and definitions in disguise.

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Principles are conventions and definitions in disguise.

Henri Poincaré

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Henri Poincaré Quotes

Principles are conventions and definitions in disguise.

Principles are conventions and definitions in disguise.

Principles are conventions and definitions in disguise.

Principles are conventions and definitions in disguise.

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No safety without risk, and what you risk reveals what you value.

Jeanette Winterson

Henri Poincaré

Henri Poincaré

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Born: April 29, 1854

Died: July 17, 1912 (aged 58)

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