The best architecture is sustainable.
Better to have 1 super user than 100 ordinary users.
The best way to predict the future is to create it.
Your passion in life should fit you exactly; but your purpose in life should exceed you. Work for something much larger than yourself.
I don't think you can ever stop learning. There's always something new to discover.
I have noticed that youngsters given to the climbing habit usually do something when they grow up.