Begin to be now what you will be hereafter.
Be thine own palace, or the world's thy jail.
You never know what motivates you.
Things do not happen. Things are made to happen.
It's always too early to quit.
Quality is not an act, it is a habit.
The wise does at once what the fool does at last.
If you've got a talent, protect it.
To know oneself, one should assert oneself.
By failing to prepare, you are preparing to fail.
The work on ants has profoundly affected the way I think about humans.