I assess the power of a will by how much resistance, pain, torture it endures and knows how to turn to its advantage.

Our sense of the tragic waxes and wanes with our sensuality.

That lies should be necessary to life is part and parcel of the terrible and questionable character of existence.

Not he is great who can alter matter, but he who can alter my state of mind.

It is far pleasanter to injure and afterwards beg forgiveness than to be injured and grant forgiveness. He who does the former gives evidence of power and afterwards of kindness of character.

As much as possible, and this as quickly as possible: that is what the great mental and emotional illness craves that is variously called "present" or "culture," but that is actually a symptom of consumption.

What we experience in dreams - assuming that we experience it often - belongs in the end just as much to the over-all economy of our soul as anything experienced "actually": we are richer or poorer on account of it.