It is a ridiculous thing for a man not to fly from his own badness, which is indeed possible, but to fly from other men's badness, which is impossible.

The mind in itself wants nothing, unless it creates a want for itself; therefore it is both free from perturbation and unimpeded, if it does not perturb and impede itself.

Even while a thing is in the act of coming into existence, some part of it has already ceased to be.

It will suffice thee to remember as concerning pain ... that the mind may, by stopping all manner of commerce and sympathy with the body, still retain its own tranquility.

Only to the rational animal is it given to follow voluntarily what happens; but simply to follow is a necessity imposed on all.

The man who doesn't know what the universe is doesn't know where he lives.

Take care that you entertain no notions unsuitable to virtue and reasonable nature.