生活
One day in perfect health is far better than an eternity in any other state.
Of all the means which wisdom acquires to ensure happiness throughout the whole of life, by far the most important is friendship.
Society can and does execute its own mandates， and if it issues wrong mandates instead of right， or any mandates at all in things with which it ought not to meddle， it practices a social tyranny more formidable than many kinds of political oppression， since， though not usually upheld by such extreme penalties， it leaves fewer means of escape， penetrating much more deeply into the details of life， and enslaving the soul itself.
Life is not perfect, but it's worth it.
Life is a play, and we must play our parts well.
We only live once, so we must live authentically and fully.
Life has no meaning unless we give it meaning.
Life in the state of nature is solitary， poor， nasty， brutish， and short.
An individual has not started living until he can rise above the narrow confines of his individualistic concerns to the broader concerns of all humanity.
Our lives begin to end the day we become silent about things that matter.
The safest course is to do nothing against one's conscience.With this secret， we can enjoy life and have no fear from death.
To live under the American Constitution is the greatest political privilege that was ever accorded to the human race.
Custom， then， is the great guide of human life.
Choose the best life； for custom will make it pleasant.
The more powerful and lively that our idea of God is， the more it will affect our life and character.
To live is not to breathe， but to act.
Fear is the main source of superstition， and one of the main sources of cruelty. To conquer fear is the beginning of wisdom， in the pursuit of truth as in the endeavour after a worthy manner of life.
It is the preoccupation with possessions， more than anything else， that prevents us from living freely and nobly.
Three passions， simple but overwhelmingly strong， have governed my life: the longing for love， the search for knowledge， and unbearable pity for the suffering of mankind.
To teach how to live without certainty and yet without being paralyzed by hesitation is perhaps the chief thing that philosophy， in our age， can do for those who study it.