Doubt must be no more than vigilance, otherwise it can become dangerous.
Life is nothing but a competition to be the criminal rather than the victim.
All sport ... is one of the few activities where young people can proceed along traditional avenues, where objectives are clear, where the desire to win is not only permissible, but encouraged.
All that happens means something; nothing you do is ever insignificant.
He who is in love with himself has at least this advantage - he won't encounter many rivals.
Everything we do is infused with the energy with which we do it. If we're frantic, life will be frantic. If we're peaceful, life will be peaceful. And so our goal in any situation becomes inner peace.
Rudeness is the weak man's imitation of strength.
History repeats itself, first as tragedy, second as farce.
Let the guarantee of free speech be in every man's determination to use it, and we shall have no need of paper declarations.
If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is.
Life's pretty good, and why wouldn't it be? I'm a pirate, after all.
I always like to look on the optimistic side of life, but I am realistic enough to know that life is a complex matter.
Life did not intend to make us perfect. Whoever is perfect belongs in a museum.
One day, in retrospect, the years of struggle will strike you as the most beautiful.
Every time I see an adult on a bicycle, I no longer despair for the future of the human race.
When making your choice in life, do not neglect to live.
I've learned that even when I have pains, I don't have to be one.
The historian looks backward. In the end he also believes backward.
During the first period of a man's life the greatest danger is not to take the risk.
If a man neglects education, he walks lame to the end of his life
We think too much and feel too little.