/Quotes
2 quotes

Henri Poincaré

~ 1854 - 1912

Henri Poincaré (1854–1912) was a French mathematician, theoretical physicist, and philosopher. He made significant contributions to various fields, including mathematics, celestial mechanics, topology, and the philosophy of science, and is known for his work on the three-body problem, Poincaré conjecture, and Poincaré recurrence theorem.

  1. To doubt everything or to believe everything are two equally convenient solutions; both dispense with the necessity of reflection.

    Henri Poincaré
    #doubt#belief#reflection

  2. Someone has said that it requires less mental effort to condemn than to think.

    Henri PoincaréThe Value of Science, 1905
    #condemnation#effort#thoughtfulness