Philosophers conceive of the passions which harass us as vices into which men fall by their own fault, and, therefore, generally deride, bewail, or blame them, or execrate them, if they wish to seem unusually pious.
Baruch SpinozaHuman infirmity in moderating and checking the emotions I name bondage : for, when a man is a prey to his emotions, he is not his own master, but lies at the mercy of fortune : so much so, that he is often compelled, while seeing that which is better for him, to follow that which is worse.
Baruch SpinozaHe who hates anyone will endeavor to do him an injury, unless he fears that a greater injury will thereby accrue to himself; on the other hand, he who loves anyone will, by the same law, seek to benefit him.
Baruch Spinoza