If you think you can do it, you can.
Well done is better than well said.
The dog that trots about finds a bone.
Who seeks shall find.
Always desire to learn something useful.
What you do today can improve all your tomorrows.
Know or listen to those who know.
It's always too early to quit.
Without hard work, nothing grows but weeds.
Begin to be now what you will be hereafter.
I didn't go to university. Didn't even finish A-levels. But I have sympathy for those who did.
Never trust any complicated cocktail that remainds perfectly clear until the last ingredient goes in, and then immediately clouds.