The greatest danger is not that we will lose our way, but that we will become content with where we are.

Fear is such a powerful emotion for humans that when we allow it to take us over， it drives compassion right out of our hearts.

"The greatest journeys are not measured in miles, but in understanding."

The concept of progress is inseparable from the concept of catastrophe.

The purpose of mental activity is successful living.

Every hide carries potential; our job is to reveal it responsibly.

A good learning algorithm should be able to generalize from a limited set of examples to unseen data.