"I try to write books that are honest and true to life."

When life seems hard, the courageous do not lie down and accept defeat; instead, they are all the more determined to struggle for better future.

I don't have any particular recipe [for developing new proofs] ... It is the reason why doing research is challenging as well as attractive. It's like being lost in a jungle and trying to use all the knowledge that you can gather to come up with some new tricks, and with some luck you might find a way out.

Without a good user experience, even the best business model is just talk.

Greatness is not this wonderful, esoteric, elusive, god-like feature that only the special among us will ever taste. It's something that truly exists in all of us.

Quality is the lifeline of an enterprise, and it should never be compromised.