Happy birthday, Leonardo.

Leonardo, La Bella Principessa, 1496

Leonardo di ser Piero da Vinci was born on this day in 1452.

I have been impressed with the urgency of doing.  Knowing is not enough; we must apply.  Being willing is not enough; we must do.  The world needs dreamers.  The world needs doers.  Most importantly, the world needs dreamers who do.

Leonardo da Vinci

The Man Who Wanted to Know Everything ...