30% of all people will never believe you. Do not allow your colleagues and employees to work for you. Instead, let them work for a common goal.

The very important thing you should have is patience.

People think, 'Jack, you do too much.

I know nothing about technology.

The world will not remember what you say, but it will certainly not forget what you have done.

I absolutely don't have $20 billion. But I'd love to, right?

A leader should have higher grit and tenacity, and be able to endure what the employees can't.