We are what we repeatedly do. Excellence, then, is not an act, but a habit.
The greatest weapon against stress is our ability to choose one thought over another.
It is not the tool that makes the man, but the man who makes the tool.
A tool can never be more important than the craftsperson who wields it.
A tool is but the extension of a man's hand, and a machine is but a complex tool.
When all you have is a hammer, everything looks like a nail.
The only way to do great work is to love what you do.
Knowledge is power only if man knows what facts not to bother with.
We shape our tools, and thereafter our tools shape us.