If you think you can do it, you can.
Things do not happen. Things are made to happen.
The dog that trots about finds a bone.
Always desire to learn something useful.
You never know what motivates you.
Wherever you are - be all there.
What you do today can improve all your tomorrows.
The secret of getting ahead is getting started.
If you're going through hell, keep going.
Without hard work, nothing grows but weeds.
The best physicians are Dr. Diet, Dr. Quiet, and Dr. Merryman.
The most wonderful study of mankind is man. Relieving human suffering and diffusing universal knowledge is humanitarian.