Governments take too long to get things done and there are far too many varied interests at stake. If you were starting a business today and needed a partner, you would never choose a large bureaucratic institution like the government.

Just as physical exercise is a well-known and well-accepted means to improve health for anyone, regardless of age or background, so can the brain be put 'into shape' for optimal learning.

My parents didn't believe in luck. They believed in hard work and in preparing me to take advantage of opportunity. Like many parents, they taught me to be generous but never to depend on the generosity of others.

Philanthropy without scale and sustainability is like any other bad business that will simply wither and die on the vine.

Humans have always used our intelligence and creativity to improve our existence. After all, we invented the wheel, discovered how to make fire, invented the printing press and found a vaccine for polio.

When I finally had the chance to make my childhood dream a reality - as a co-founder and chairman of Moon Express - my goal was to broaden participation in lunar exploration, and connect the common person to its results. We plan to send robotic rovers - not humans - to the Moon to search for precious metals and rare minerals on the Moon's surface.

Great entrepreneurs focus intensely on an opportunity where others see nothing.