Know or listen to those who know.
The wise does at once what the fool does at last.
Do not weep do not wax indignant. Understand.
Either you run the day or the day runs you.
I can, therefore I am.
It's always too early to quit.
To be a good loser is to learn how to win.
Never complain and never explain.
Who seeks shall find.
What you do today can improve all your tomorrows.
Is it right to probe so deeply into Nature's secrets? The question must here be raised whether it will benefit mankind, or whether the knowledge will be harmful.