He who has a true idea, knows at that same time that he has a true idea, nor can he doubt concerning the truth of the thing.
Baruch SpinozaIt is not possible that we should remember that we existed before our body, for our can bear no trace of such existence, neither can eternity be defined in terms of time or have any relation to time. But notwithstanding, we feel and know that we are eternal.
Baruch SpinozaNothing in nature is by chance... Something appears to be chance only because of our lack of knowledge.
Baruch SpinozaThe mind has greater power over the emotions, and is less subject thereto, insofar as it understands all things to be necessary.
Baruch SpinozaThose who wish to seek out the cause of miracles and to understand the things of nature as philosophers, and not to stare at them in astonishment like fools, are soon considered heretical and impious, and proclaimed as such by those whom the mob adores as the interpreters of nature and the gods.
Baruch Spinoza