All our knowledge has its origins in our perceptions.
- Leonardo da Vinci
“The secret of getting ahead is getting started.”
– Mark Twain
Those who fail to learn the lessons of the past, are doomed to repeat them.
- George Santayana
"By failing to prepare, you are preparing to fail."
What you do makes a difference, and you have to decide what kind of difference you want to make.
- Jake Goodall
“We are what we repeatedly do. Excellence, then, is not an act, but a habit.”