An unexamined life is not worth living. –Socrates
I think, therefore I am. –Rene Descartes
Nothing is more terrible than activity without insight. –Thomas Carlyle
To live is the rarest thing in the world. Most people exist, that is all. –Oscar Wilde
The mass of men lead lives of quiet desperation. –Henry David Thoreau
Beware the barrenness of a busy life. –Socrates
They intoxicate themselves with work so they won’t see how they really are. –Aldous Huxley
Most people perform essentially meaningless work. When they retire, that truth is borne upon them. –Brendan Francis
Most of one’s life is a prolonged effort to avoid thinking. –Aldous Huxley
Orthodoxy means not thinking–not needing to think. Orthodoxy is unconsciousness. –George Orwell
Most people would rather die than think and many of them do. –Bertrand Russell
Human kind/Cannot bear much reality. –T.S. Eliot
There is nothing in life except what one thinks of it. –Wallace Stevens
There is nothing either good or bad, but thinking makes it so. –William Shakespeare
The quality of your happiness depends upon the quality of your thoughts. –Marcus Aurelius
The length of your life is less important than its depth. –Marilyn Vos Savant
Great thoughts come from the heart. –Marquis de Vauvenargues
Irony is wasted on the stupid. –Oscar Wilde