There will come a time when men look upon the murder of animals as they now look upon the murder of men. - Leonardo da Vinci

When I did well, as a boy you used to put me in prison. Now if I do it being grown up, you will do worse to me.

You know that in an atmosphere of uniform density the most distant things seen through it, such as the mountains, in consequence of the great quantity of atmosphere which is between your eye and them, will appear blue. Therfore you should make the building... wall which is more distant less defined and bluer. ...five times as far away make five times as blue.

One's thoughts turn towards Hope.