Better the whole people perish than that injustice be done

Beneficence is a duty. He who frequently practices it, and sees his benevolent intentions realized, at length comes really to love him to whom he has done good. When, therefore, it is said, "Thou shalt love thy neighbor as thyself," it is not meant, thou shalt love him first and do him good in consequence of that love, but, thou shalt do good to thy neighbor; and this thy beneficence will engender in thee that love to mankind which is the fulness and consummation of the inclination to do good.

The only thing permanent is change.

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.

Innocence is indeed a glorious thing; but, unfortunately, it does not keep very well and is easily led astray.

Act so as to use humanity, yourself and others, always as an end and never as a means to an end.

The question is not so much whether there is life on Mars as whether it will continue to be possible to live on Earth