Old age, especially an honoured old age, has so great authority, that this is of more value than all the pleasures of youth.
Life is like playing a violin solo in public and learning the instrument as one goes on.
Anyone who knows anything of history knows that great social changes are impossible without feminine upheaval. Social progress can be measured exactly by the social position of the fair sex, the ugly ones included
Work harder on yourself than you do on your job.
A life spent making mistakes is not only more honorable, but more useful than a life spent doing nothing.
Life is made up of marble and mud.
We think too much and feel too little.
There are two tragedies in life. One is to lose your heart's desire. The other is to gain it.
It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change.
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.
Life is a succession of lessons which must be lived to be understood.
If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is.
Nothing in life is more remarkable than the unnecessary anxiety which we endure, and generally create ourselves.
The natural world is the greatest source of excitement. The greatest source of visual beauty. It is the greatest source of so much in life that makes life worth living.
The more I see, the less I know for sure.
Colors, like features, follow the changes of the emotions.
Middle age has been defined as what happens when a person's broad mind and narrow waist change places.
How can I go forward when I don't know which way I'm facing?
Live your life as though your every act were to become a universal law.
The lessons of the past are ignored and obliterated in a contemporary antagonism known as the generation gap.
We fear our highest possibility (as well as our lowest one). We are generally afraid to become that which we can glimpse in our most perfect moments.