I was making frequent use of cocaine at that time ... I had been the first to recommend the use of cocaine, in 1885, and this recommendation had brought serious reproaches down on me.

Maturity is the ability to postpone gratification.

If it's not one thing, it's your mother.

Much of our highly valued cultural heritage has been acquired at the cost of sexuality.

If you want to endure life, prepare yourself for death.

If you can't do it, give up!

Writing was in its origin, the voice of an absent person.