When you come to the edge of all the light you know, and are about to step off into the darkness of the unknown, faith is knowing one of two things will happen: There will be something solid to stand on, or you will be taught how to fly.
— Barbara J. Winter
According to the laws of aerodynamics, the bumblebee can’t fly either, but the bumblebee doesn’t know anything about the laws of aerodynamics, so it goes ahead and flies anyway.
— Igor Sikorsky
A natural river often finds good paths among lots of possible paths in its ways from the source to destination. These near optimal or optimal paths are obtained by the actions and reactions that occur among the water drops and the water drops with the riverbeds.
— H Shah-Hosseini
The practice of drawing on the expertise of vast numbers of people using web technology—referred to as “crowdsourcing”—has proven effective for problem-solving in engineering and computer software development.
— Wikipedia (en)