Maimonides — Spanish Philosopher born on March 30, 1135, died on December 13, 1204

Moshe ben Maimon, or Mūsā ibn Maymūn, acronymed Rambam, and Latinized Moses Maimonides, a preeminent medieval Sephardic Jewish philosopher and astronomer, became one of the most prolific and influential Torah scholars and physicians of the Middle Ages. Born in Cordova, Almoravid Empire on Passover Eve, 1135 or 1138, he died in Egypt on December 12, 1204, whence his body was taken to the lower Galilee and buried in Tiberias. He worked as a rabbi, physician, and philosopher in Morocco and Egypt... (wikipedia)

Consequently he who wishes to attain to human perfection, must therefore first study Logic, next the various branches of Mathematics in their proper order, then Physics, and lastly Metaphysics.
Give a man a fish and you feed him for a day; teach a man to fish and you feed him for a lifetime.
One should see the world, and see himself as a scale with an equal balance of good and evil. When he does one good deed the scale is tipped to the good - he and the world is saved. When he does one evil deed the scale is tipped to the bad - he and the world is destroyed.
The risk of a wrong decision is preferable to the terror of indecision.
It is thus necessary to examine all things according to their essence, to infer from every species such true and well established propositions as may assist us in the solution of metaphysical problems.