数学的乐趣在于发现的旅程，而不仅仅是目的地。
The joy of mathematics lies in the journey of discovery, not just the destination.
Invention is not enough. Tesla invented the electric power we use, but he struggled to get it out to people. You have to combine both things: invention and innovation focus, plus the company that can commercialize things and get them to people.
What I feared most for myself at your age was not poverty, but failure.
Security in computing is not just about building walls, but about understanding the landscape of threats.
A strong brand is built one customer at a time.