As a student, in an hour when he was needing the help of sages, he followed Renan; Spinoza freed his mind in matters of religion; from afar came the … - Benedictus de Spinoza

...The teaching of Spinoza, the product of the Jewish genius and modern science [Wissenschaft], does not stand in contradiction with the Jewish teaching of unity - at most it may contradict its rationalistic and super-naturalistic approach.

He [Nicolas Malebranche] cannot give up the principles which the Catholic Church imposes on him. He carries forward that process of rationalisation in Christian ethics which Descartes began, and which, like the attempt to restore an older theology, finds its fulfilment in Spinoza. It is Spinoza who is the first to create a wholly metaphysical ethics, free from all trace of its theological origin. Spinoza thus completes for continental ethics the separation between morality and religion which English empiricism, in spite of many relapses, had effected under the leadership of Bacon.

I think the Ethics will have a permanent effect on me.