...The proposal to think the determination of the elements of a whole by the structure of the whole posed an absolutely new problem in the most theor… - Benedictus de Spinoza

Spinoza's naturalist and rationalist project demands that we provide these notions with a proper intellectualist interpretation. Thus, the love of God is simply an awareness of the ultimate natural cause of the joy that accompanies the improvement in one's condition that the highest knowledge brings; to love God is nothing but to understand nature. And the eternity in which one participates is represented solely by the knowledge of eternal truths that makes up a part of the rational person's mind.

...[H]e was one of the most illustrious advocates of religious toleration; when his landlords, members of a peaceful and tolerant Mennonite community, asked him whether he thought their religion was good, he said yes, it was good and they should stick to it. For although in his writings he urged us to strive towards a mystical sort of union with God, towards intellectual love and philosophical reconciliation with whatever fate should bring, he knew that his advice was meant for only a very select few, and that the rest, the common folk who are incapable of subordinating their lives to reason, would still need advice about how to lead a good life – the kind of advice that religion provides. This was fine as long as the religion was one that preached peace and unity, and did not breed fanaticism, hatred or despotic government. In the whole history of philosophy there is no figure as lonely as Spinoza.

in the case of the given numbers 1, 2, 3, everybody can see that the fourth proportional is 6, and all the more clearly because we infer in one single intuition the fourth number from the ratio we see the first number bears to the second.