Read first the best books. The important thing for you is not how much you know, but the quality of what you know.

By identifying the new learning with heresy, you make orthodoxy synonymous with ignorance.

Almost all Christians being wretchedly enslaved to blindness and ignorance, which the priests are so far from preventing or removing, that they blacken the darkness, and promote the delusion: wisely foreseeing that the people (like cows, which never give down their milk so well as when they are gently stroked), would part with less if they knew more.

Great eagerness in the pursuit of wealth, pleasure, or honor, cannot exist without sin.

The Jewish usurers are fast-rooted even in the smallest villages, and if they lend five gulden they require a security of six times as much. They charge interest, upon interest, and upon this again interest, so that the poor man loses everything that he owns.

The entire world is my temple, and a very fine one too, if I'm not mistaken, and I'll never lack priests to serve it as long as there are men.

As an example of just how useless these philosophers are for any practice in life there is Socrates himself, the one and only wise man, according to the Delphic Oracle. Whenever he tried to do anything in public he had to break off amid general laughter. While he was philosophizing about clouds and ideas, measuring a flea's foot and marveling at a midge's humming, he learned nothing about the affairs of ordinary life.