A woman may very well form a friendship with a man, but for this to endure, it must be assisted by a little physical antipathy.
The happiest is the person who suffers the least pain; the most miserable who enjoys the least pleasure.
Life belongs to the living, and he who lives must be prepared for changes
Live as if you were living a second time, and as though you had acted wrongly the first time.
As you go through life, you've got to see the valleys as well as the peaks.
The more sand that has escaped from the hourglass of our life, the clearer we should see through it.
Every morning we are born again. What we do today is what matters most.
Mastery of the emotions is fundamental to a virtuous life.
When someone leaves, it's because someone else is about to arrive.
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.
I can't help thinking that there are only one or two ways of being brought into this world, but there are so many fucked-up ways of leaving it.
To protect our freedoms, it seems we're going to have to relinquish some of our freedoms for a short period of time.
All my life I have tried to pluck a thistle and plant a flower wherever the flower would grow in thought and mind.
One of the saddest things in life, is the things one remembers.
A man who dares to waste one hour of life has not discovered the value of life
Being a hero is about the shortest-lived profession on earth.
If we couldn't laugh we would all go insane.
Freedom would be not to choose between black and white but to abjure such prescribed choices.
Every time I see an adult on a bicycle, I no longer despair for the future of the human race.
The gratification of wealth is not found in mere possession or in lavish expenditure, but in its wise application.
It is only because of problems that we grow mentally and spiritually.