We make a living by what we get. But we make a life by what we give.

The secret of success is to know something nobody else knows.

All of my friends were doing babysitting jobs. I wanted money without the job.

Example is not the main thing in influencing other people; it’s the only thing.

I never perfected an invention that I did not think about in terms of the service it might give others… I find out what the world needs, then I proceed to invent.

Associate yourself with people of good quality, for it is better to be alone than in bad company

You can say anything to anyone, but how you say it will determine how they will react.

It takes humility to realize that we don’t know everything, not to rest on our laurels and know that we must keep learning and observing. If we don’t, we can be sure some startup will be there to take our place.

Follow your honest convictions, and stay strong.

A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty.

Leadership is doing what is right when no one is watching.

Every feature has some maintenance cost, and having fewer features lets us focus on the ones we care about and make sure they work very well.

If one does not know to which port one is sailing, no wind is favorable.

I am not a product of my circumstances. I am a product of my decisions.

Follow your honest convictions, and stay strong.

The significance of a man is not in what he attains but in what he longs to attain.