If I had as clear an idea of ghosts, as I have of a triangle or a circle, I should not in the least hesitate to affirm that they had been created by … - Benedictus de Spinoza

Speaking generally, he holds dominion, to whom are entrusted by common consent affairs of state — such as the laying down, interpretation, and abrogation of laws, the fortification of cities, deciding on war and peace, &c. But if this charge belong to a council, composed of the general multitude, then the dominion is called a democracy; if the council be composed of certain chosen persons, then it is an aristocracy ; and, if, lastly, the care of affairs of state, and, consequently, the dominion rest with one man, then it has the name of monarchy.

Sedulo curavi, humanas actiones non ridere, non lugere, neque detestari, sed intelligere; atque adeo humanos affectus, ut sunt amor, odium, ira, invidia, gloria, misericordia et reliquae animi commotiones non ut humanae naturae vitia, sed ut proprietates contemplatus sum, quae ad ipsam ita pertinent, ut ad naturam aëris aestus, frigus, tempestas, tonitru et alia huiusmodi, quae, tametsi incommoda sunt, necessaria tamen sunt, certasque habent causas, per quas eorum naturam intelligere conamur, et mens eorum vera contemplatione aeque gaudet, ac earum rerum cognitione, quae sensibus gratae sunt.

Happiness is not the reward of virtue, but is virtue itself; nor do we delight in happiness because we restrain from our lusts; but on the contrary, because we delight in it, therefore we are able to restrain them.