Hippocrates
"A wise man should consider that health is the greatest of human blessings, and learn how by his own thought to derive benefit from his illnesses. "
"As to diseases, make a habit of two things - to help, or at least, to do no harm. "
"Healing is a matter of time, but it is sometimes also a mater of opportunity. "
"Idleness and lack of occupation tend - nay are dragged - towards evil. "
"Many admire, few know. "
"Prayer indeed is good, but while calling on the gods a man should himself lend a hand. "
"There are in fact two things, science and opinion the former begets knowledge, the latter ignorance. "
"Things that are holy are revealed only to men who are holy. "
"Walking is man's best medicine. "