A Quote by Alfréd Rényi on happiness, mathematics, and unhappiness

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If I feel unhappy, I do mathematics to become happy. If I am happy, I do mathematics to keep happy.

Alfred Renyi (1921 - 1970)

Source: P. Turán, "The Work of Alfréd Rényi", Matematikai Lapok 21, 1970, pp 199 - 210.

Contributed by: Zaady