There should of course be left a field of work for the sake of experiment but at all times one must remember that there will always remain open a possibility of err.
Human beings are more alike than unalike, and what is true anywhere is true everywhere, yet I encourage travel to as many destinations as possible for the sake of education as well as pleasure.
Lay down this rule of friendship: neither ask nor consent to do what is wrong. The plea, 'for friendship's sake,' is a discreditable one, and should not be admitted for a moment. We should ask from friends and do for friends only what is good.
It seems to me that the moment has come when the question of bombing of German cities simply for the sake of increasing the terror, though under other pretexts, should be reviewed.