A lesson learned, both in the SEAL teams and as an entrepreneur, is that failure is sometimes a critical component of success.

It's every teacher's job to be rigorous about constantly being open to new ideas and innovation.

There are so many ways to change the world, and every single one starts with you.

To be afraid of sorrow is to be afraid of joy also.

Give men your ear, but not your heart. Show respect for those in power, but don't follow them blindly. Judge with logic and reason, but comment not.

You cannot lift the wage earner up by pulling the wage payer down.

Technology and Science is what you make it.

The Earth does not belong to us: we belong to the Earth.

The only competition you will have is the competition between your disciplined and undisciplined mind.

I had to work my way up to be where I am now. All these companies could have done the same.

If you want to effect change, start small.

In this treacherous world Nothing is the truth nor a lie. Everything depends on the color Of the crystal through which one sees it