To know oneself, one should assert oneself.
The most effective way to do it, is to do it.
What you do today can improve all your tomorrows.
Problems are not stop signs, they are guidelines.
The wise does at once what the fool does at last.
You never know what motivates you.
It's always too early to quit.
I can, therefore I am.
Without hard work, nothing grows but weeds.
The dog that trots about finds a bone.
It's amazing what you can get on open source now if you actually use the right search engines to find the material.