To know oneself, one should assert oneself.
Begin to be now what you will be hereafter.
Always desire to learn something useful.
Leap, and the net will appear.
Wherever you are - be all there.
The most effective way to do it, is to do it.
Things do not happen. Things are made to happen.
It's always too early to quit.
You never know what motivates you.
Be thine own palace, or the world's thy jail.
Imagination is as vital to any advance in science as learning and precision are essential for starting points.