The wise does at once what the fool does at last.
If you think you can do it, you can.
Be kind whenever possible. It is always possible.
Be thine own palace, or the world's thy jail.
It's always too early to quit.
To know oneself, one should assert oneself.
Without hard work, nothing grows but weeds.
If you've got a talent, protect it.
Always desire to learn something useful.
What you do today can improve all your tomorrows.
The whole essence of good drawing - and of good thinking, perhaps - is to work a subject down to the simplest form possible and still have it believable for what it is meant to be.