Great talk by Dan Pink at TED about pitfalls of extrinsic stimulus and scientific evidence for intrinsic motivation:

I kind of always felt that way, but now I've got evidence to refer to. Plutarch was right that

The mind is not a vessel to be filled but a fire to be kindled.

You can not stimulate creativity, you can only create environment for it to blossom.

If you are a manager, you've got everything to prevent this sign from ever appearing near the entrance to you department's area.

I just could not resist posting this godsend from Merlin Mann:

You don't stop the journey just because one of the donkeys died.

Keep going.