In anything that does cover the whole of your life - in your philosophy and your religion - you must have mirth. If you do not have mirth you will certainly have madness.
There are many definite methods, honest and dishonest, which make people rich; the only instinct I know of which does it is that instinct which theological Christianity crudely describes as the sin of avarice.
The concept of "mental health" in our society is defined largely by the extent to which an individual behaves in accord with the needs of the system and does so without showing signs of stress.
The more opposition there is, the better. Does a river acquire velocity unless there is resistance? The newer and better a thing is, the more opposition I will meet with at the outset. It is opposition which foretells success. Where there is no opposition there is no success either.
The observer of the soul cannot penetrate into the soul, but there doubtless is a margin where he comes into contact with it. Recognition of this contact is the fact that even the soul does not know of itself. Hence it must remain unknown. That would be sad only if there were anything apart from the soul, but there is nothing else.
Weariness that wants to reach the ultimate with one leap, with one fatal leap, a poor ignorant weariness that does not want to want any more: this created all gods and afterworlds.