What you do today can improve all your tomorrows.
After a storm comes a calm.
The most effective way to do it, is to do it.
By failing to prepare, you are preparing to fail.
To know oneself, one should assert oneself.
Without hard work, nothing grows but weeds.
You never know what motivates you.
Things do not happen. Things are made to happen.
Expect problems and eat them for breakfast.
Always desire to learn something useful.
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.