Always desire to learn something useful.
Be thine own palace, or the world's thy jail.
Either you run the day or the day runs you.
If you think you can do it, you can.
Things do not happen. Things are made to happen.
Know or listen to those who know.
If you can dream it, you can do it.
Expect problems and eat them for breakfast.
You never know what motivates you.
To know oneself, one should assert oneself.
The frontiers of knowledge in the various fields of our subject are expanding at such a rate that, work as hard as one can, one finds oneself further and further away from an understanding of the whole.