Quotes by Scientist

Happiness, then, is found to be something perfect and self-sufficient, being the end to which our actions are directed.

Virtue also depends on ourselves. And so also does vice. For where we are free to act we are also free to refrain from acting, and where we are able to say No we are also able to say Yes; if therefore we are responsible for doing a thing when to do it right, we are also responsible for not doing it when not to do it is wrong, and if we are responsible for rightly not doing a thing, we are also responsible for wrongly doing it.

But nature flies from the infinite; for the infinite is imperfect, and nature always seeks an end.

Happiness depends on ourselves.

Happiness is an activity of the soul in accordance with virtue

The moral virtues, then, are produced in us neither by nature nor against nature. Nature, indeed, prepares in us the ground for their reception, but their complete formation is the product of habit.

The continuum is that which is divisible into indivisibles that are infinitely divisible.

In bad or corrupted natures the body will often appear to rule over the soul, because they are in an evil and unnatural condition. At all events we may firstly observe in living creatures both a despotical and a constitutional rule; for the soul rules the body with a despotical rule, whereas the intellect rules the appetites with a constitutional and royal rule. And it is clear that the rule of the soul over the body, and of the mind and the rational element over the passionate, is natural and expedient; whereas the equality of the two or the rule of the inferior is always hurtful.

The pleasures arising from thinking and learning will make us think and learn all the more. 1153a 23

Thinking is different from perceiving and is held to be in part imagination, in part judgment