It is natural to indulge in the illusions of hope. We are apt to shut our eyes to that siren until she allures us to our death.

When they are alone they want to be with others, and when they are with others they want to be alone. After all, human beings are like that.

I could undertake to be an efficient pupil if it were possible to find an efficient teacher.

One never discusses anything with anybody who can understand one discusses things with people who cannot understand.

Do not forget birthdays. This is in no way a propaganda for a larger population.

There is no such thing as repetition. Only insistance.

Since it could be done what was the use of doing it, and anyway you always have to stop doing something sometime.