If it were possible for us to have so deep an insight into a man's character as shown both in inner and in outer actions, that every, even the least, incentive to these actions and all external occasions which affect them were so known to us that his future conduct could be predicted with as great a certainty as the occurrence of a solar or lunar eclipse, we could nevertheless still assert that the man is free.
Immanuel KantAlways recognize that human individuals are ends, and do not use them as means to your end.
Immanuel KantIn all judgements by which we describe anything as beautiful, we allow no one to be of another opinion.
Immanuel KantThere will always be some people who think for themselves, even among the self-appointed guardians of the great mass who, after having thrown off the yoke of immaturity themselves, will spread about them the spirit of a reasonable estimate of their own value and of the need for every man to think for himself.
Immanuel Kant