Every time I see an adult on a bicycle, I no longer despair for the future of the human race.
Life can be wonderful if you're not afraid of it. All it takes is courage, imagination ... and a little dough
We can allow satellites, planets, suns, universe, nay whole systems of universes, to be governed by laws, but the smallest insect, we wish to be created at once by special act.
Hard work, disciplined habits, modesty in living, contentment and cheerfulness.
We must all obey the great law of change. It is the most powerful law of nature.
The first forty years of life give us the text; the next thirty supply the commentary on it.
Sometimes you have to be apart from people you love, but that doesn't make you love them any less. Sometimes you love them more.
Life is the dancer and you are the dance.
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.
You can have it all. Just not all at once.
All good things which exist are the fruits of originality.
I'm never going to be disabled. I'm sick of being so healthy.
When making your choice in life, do not neglect to live.
People do not like to think. If one thinks, one must reach conclusions. Conclusions are not always pleasant.
My life didn't please me, so I created my life.
Every morning we are born again. What we do today is what matters most.
One day, in retrospect, the years of struggle will strike you as the most beautiful.
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.
Any idiot can face a crisis; it's this day-to-day living that wears you out.
Life is like a library owned by the author. In it are a few books which he wrote himself, but most of them were written for him.
If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is.