If you think you can do it, you can.
Be thine own palace, or the world's thy jail.
To know oneself, one should assert oneself.
Begin to be now what you will be hereafter.
Never complain and never explain.
Things do not happen. Things are made to happen.
I can, therefore I am.
Know or listen to those who know.
The dog that trots about finds a bone.
The wise does at once what the fool does at last.
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.