The harder you work, the luckier you get.
Keep your face always toward the sunshine—and shadows will fall behind you.
The key to solving complex problems is to break them down into smaller, more manageable parts.
The self is not so much a substance as a process, and it is the continual task of education to change the process, to develop its activities, and to guide it into channels of efficiency.
The answers to our future lie buried in our past.
The more you destroy, the more you create.