Know or listen to those who know.
Wherever you are - be all there.
Never complain and never explain.
What you do today can improve all your tomorrows.
The dog that trots about finds a bone.
Things do not happen. Things are made to happen.
It's always too early to quit.
Problems are not stop signs, they are guidelines.
The most effective way to do it, is to do it.
If you can dream it, you can do it.
I spent every night until four in the morning on my dissertation, until I came to the point when I could not write another word, not even the next letter. I went to bed. Eight o'clock the next morning I was up writing again.