Luck is very important. Of course you can't wait for luck, because it won't come. While you start a journey, luck may eventually come to you.

People think, 'Jack, you do too much.

Today is cruel. Tomorrow is crueller. And the day after tomorrow is beautiful.

Find the right people, not the best people.

Your employee should have superior technical skills than you. If he doesn't, it means you have hired the wrong person.

If you don't give up, you still have a chance. And when you are small, you have to be very focused and rely on your brain, not your strength.

You never know how much can you do in your life.