The hardest thing is to live richly in the present without letting it be tainted by the past or future.

The rules of survival never change, whether you’re in a desert or in an downtown street: you need to be hydrated, you need food, and you need shelter.

The interplay between mathematics and physics is the dance of the cosmos, choreographed by the laws of nature.

The computer is a medium of expression, like a violin or a paintbrush.