Life is too short, or too long, for me to allow myself the luxury of living it so badly.
If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is.
For life in general, there is but one decree: youth is a blunder, manhood a struggle, old age a regret.
People do not like to think. If one thinks, one must reach conclusions. Conclusions are not always pleasant.
In order to seek truth, it is necessary once in the course of our life to doubt, as far as possible, of all things.
One day you will ask me which is more important? My life or yours? I will say mine and you will walk away not knowing that you are my life.
To one extent, if you've seen one city slum, you've seen them all.
I like nonsense, it wakes up the brain cells. Fantasy is a necessary ingredient in living.
If it is worth doing, it is worth overdoing.
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.
Life is a difficult game. You can win it only by retaining your birthright to be a person.
The only creatures that are evolved enough to convey pure love are dogs and infants.
If man limits himself to a satisfied animal existence, and asks from life only what such an existence can give, the higher values of life at once disappear.
The great mistake is to anticipate the outcome of the engagement; you ought not to be thinking of whether it ends in victory or defeat. Let nature take its course, and your tools will strike at the right moment.
Our life always expresses the result of our dominant thoughts.
The gratification of wealth is not found in mere possession or in lavish expenditure, but in its wise application.
I am not young enough to know everything.
All my life I used to wonder what I would become when I grew up. Then, about seven years ago, I realized that I was never going to grow up - that growing is an ever ongoing process.
Life is either a daring adventure or nothing. Security is mostly a superstition. It does not exist in nature.
Let the guarantee of free speech be in every man's determination to use it, and we shall have no need of paper declarations.
I generally avoid temptation unless I can't resist it.