In the depth of winter, I finally learned that within me there lay an invincible summer.

The more man meditates upon good thoughts, the better will be his world and the world at large.

Landlords, like all other men, love to reap where they never sowed.

A life not lived for others is not a life.

Life is too short for long-term grudges.

Science is the most reliable guide for civilization, for life, for success in the world. Searching a guide other than the science is meaning carelessness, ignorance and heresy.

Have no fear of perfection - you'll never reach it.

Enjoy when you can, and endure when you must.

I've learned that even when I have pains, I don't have to be one.

History repeats itself, first as tragedy, second as farce.

If we are not free, no one will respect us.

Just as modern motorways have no room for ox-carts or wandering pedestrians, so modern society has little place for lives and ways that are too eccentric.

How wonderful it is that nobody need wait a single moment before starting to improve the world.

Crude classifications and false generalizations are the curse of organized life.

Doing nothing is happiness for children and misery for old men.

All good things which exist are the fruits of originality.

I want to feel my life while I'm in it.

The object of life is not to be on the side of the majority, but to escape finding oneself in the ranks of the insane.

Consistency is contrary to nature, contrary to life. The only completely consistent people are the dead.

Humility is really important because it keeps you fresh and new.

In order to seek truth, it is necessary once in the course of our life to doubt, as far as possible, of all things.