Don't be too timid and squeamish about your actions. All life is an experiment. The more experiments you make the better.

The highest manifestation of strength is to keep ourselves calm and on our own feet.

It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change.

Almost all our desires, when examined, contain something too shameful to reveal.

Life has a certain flavour for those who have fought and risked all that the sheltered and protected can never experience.

The knowledge of oneself will preserve that person from vanity.

Life can be pulled by goals just as surely as it can be pushed by drives.

This thing of being a hero, about the main thing to it is to know when to die.

Life will not break your heart. It'll crush it.

What goes up must come down.

The worldly comforts are not for me. I am like a traveller, who takes rest under a tree in the shade and then goes on his way.

Mastery of the emotions is fundamental to a virtuous life.

The present is theirs; the future, for which I really worked, is mine.

Sow a thought and you get an act; Sow an act and you get a habit; Sow a habit and you get a character; Sow a character and you get a destiny.

Any idiot can face a crisis; it's this day-to-day living that wears you out.

A beautiful thing never gives so much pain as does failing to hear and see it.

Live your life as though your every act were to become a universal law.

Everything in the world is about sex except sex. Sex is about power.

Courage is a kind of salvation.

We're born alone, we live alone, we die alone. Only through our love and friendship can we create the illusion for the moment that we're not alone.

History has shown there are no invincible armies.