I don't believe in pessimism. If something doesn't come up the way you want, forge ahead. If you think it's going to rain, it will.
The most important property of a program is whether it accomplishes the intention of its user.
A person may cause evil to others not only by his actions but by his inaction， and in either case， he is justly accountable to them for the injury.
The first step is you have to say that you can.
"Success is not just about making money. It's about making a difference."