I love those who can smile in trouble, who can gather strength from distress, and grow brave by reflection. 'Tis the business of little minds to shri… - Leonardo da Vinci

It is true that impatience, the mother of stupidity, praises brevity, as if such persons had not life long enough to serve them to acquire a complete knowledge of one single subject, such as the human body; and then they want to comprehend the mind of God in which the universe is included, weighing it minutely and mincing it into infinite parts, as if they had to dissect it!

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.

O Time, consumer of all things! O envious age, thou destroyest all things and devourest all things with the hard teeth of the years little by little, in slow death. Helen, when she looked in her mirror and saw the withered wrinkles which old age had made in her face wept and wondered why she had twice been carried away.