Nothing forbids man to enjoy himself, save grim and gloomy superstition - Benedictus de Spinoza

Most writers on the emotions and on human conduct seem to be treating rather of matters outside nature than of natural phenomena following nature's general laws. They appear to conceive man to be situated in nature as a kingdom within a kingdom: for they believe that he disturbs rather than follows nature's order, that he has absolute control over his actions, and that he is determined solely by himself. They attribute human infirmities and fickleness, not to the power of nature in general, but to some mysterious flaw in the nature of man, which accordingly they bemoan, deride, despise, or, as usually happens, abuse:

en el apartado sobre la «Intención», las claves que enmarcan el tema son las siguientes: el ser humano teme la soledad y es político por naturaleza (TP 6/1), como ya sentó la tradición, luego puede decirse que la sociedad es algo también natural (TP 4/4). Y de ahí surge una cesión de la fuerza que cada uno tiene por naturaleza a las instituciones (no a alguien en especial), mediante el pacto que instaura un orden civil y unos valores éticos.

How many philosophers and historians of philosophy have gone along with the academies, burning with the desire to be able to sit there! The Dutch thought and art of the siècle d'or reside not only outside of the academies but also, to a large extent, outside of the universities. Spinoza's example serves for all the others. When declining the proposal of the excellent and honorable Sir J. L. Fabritius, who in the name of the Palatine Elector offers him a chair at Heidelberg, Spinoza reminds him that the freedom to philosophize cannot be limited in any way.