“We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten years.”

I believe that if you show people the problems and you show them the solutions, they will be moved to act.

Success is a lousy teacher. It seduces smart people into thinking they can't lose.

It's fine to celebrate success, but it is more important to heed the lessons of failure.

Your most unhappy customers are your greatest source of learning.

The future is an opaque mirror. Anyone who tries to look into it sees nothing but the dim outlines of an old and worried face.

I would rather have questions that can't be answered than answers that can't be questioned.

On every thorn, delightful wisdom grows, In every rill a sweet instruction flows.

All our knowledge has its origins in our perceptions.