Cuando hay que hacer lo contrario de mi voluntad, no lo hago, ocurra lo que ocurra; tampoco hago mi voluntad, porque soy débil. Me abstengo de actuar… - Jean-Jacques Rousseau

I want you to read the true system of the heart, drafted by a decent man and published under another name. I do not want you to be biased against good and useful books merely because a man unworthy of reading them has the audacity to call himself the Author.

"Then, turning toward me, he said to me, "My child, in almost everything the beginnings are rough; however yours will not be very much so. Be prudent, and seek to please everyone here; at present this is your sole business. For the rest, have courage; we want to take care of you.

Real wisdom is not the knowledge of everything, but the knowledge of which things in life are necessary, which are less necessary, and which are completely unnecessary to know. Among the most necessary knowledge is the knowledge of how to live well, that is, how to produce the least possible evil and the greatest goodness in one’s life. At present, people study useless sciences, but forget to study this, the most important knowledge.