A human being in perfection ought always to preserve a calm and peaceful mind, and never to allow passion or a transitory desire to disturb his tranquillity. I do not think that the pursuit of knowledge is an exception to this rule. If the study to which you apply yourself has a tendency to weaken your affections, and to destroy your taste for those simple pleasures in which no alloy can possibly mix, then that study is certainly unlawful, that is to say, not befitting the human mind.
O, reason not the need! Our basest beggars
Are in the poorest thing superfluous.
Allow not nature more than nature needs,
Man's life's as cheap as beast's. Thou art a lady;
If only to go warm were gorgeous,
Why, nature needs not what thou gorgeous wear'st,
Which scarcely keeps thee warm. But, for true need.
And when your sorrow is comforted (time soothes all sorrows) you will be content that you have known me. You will always be my friend. You will want to laugh with me. And you will sometimes open your window, so, for that pleasure… And your friends will be properly astonished to see you laughing as you look up at the sky! Then you will say to them, ‘Yes, the stars always make me laugh!’ And they will think you are crazy. It will be a very shabby trick that I shall have played on you…