The highest activity a human being can attain is learning for understanding, because to understand is to be free. Baruch Spinoza
Benedict de Spinoza, Hebrew forename Baruch, Latin forename Benedictus, Portuguese Bento de Espinosa, (born November 24, 1632, Amsterdam—died February 21, 1677, The Hague), Dutch Jewish philosopher, one of the foremost exponents of 17th-century Rationalism and one of the early and seminal figures of the Enlightenment. His masterwork is the treatise Ethics (1677).
Witty observation, disparaging remark, question for A.A., well this is your chance.