As you go through life, you've got to see the valleys as well as the peaks.
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.
Whether I shall turn out to be the hero of my own life, or whether that station will be held by anybody else, these pages must show.
Boys will be boys. And even that wouldn't matter if only we could prevent girls from being girls.
Wrinkles are engraved smiles.
If it is worth doing, it is worth overdoing.
Three things have been difficult to tame: the oceans, fools, and women. We may soon be able to tame the oceans; fools and women will take a little longer.
Shame is an ornament to the young; a disgrace to the old.
People do not like to think. If one thinks, one must reach conclusions. Conclusions are not always pleasant.
All that is not eternal is eternally out of date.
Life is like playing a violin solo in public and learning the instrument as one goes on.
To protect our freedoms, it seems we're going to have to relinquish some of our freedoms for a short period of time.
The young people think the old people are fools - but the old people know the young people are fools.
Life is not divided into semesters. You don't get summers off and very few employers are interested in helping you find yourself.
Yesterday is dead, tomorrow hasn't arrived yet. I have just one day, and I'm going to be happy in it.
The pleasure of the moment begins to wither almost as soon as it blossoms; our pleasures are soon swallowed up in time's relentless torrent.
Life is a disease, brother, and death begins already at birth. Every breath, every heartbeat, is a moment of dying - a little shove toward the end.
That's the trouble with the world. We all despise ourselves.
He who has a why to live can bear with almost any how.
Live your life as though your every act were to become a universal law.
Within the child lies the fate of the future.