The key to solving complex problems is to ask the right causal questions.

I cannot fix on the hour, or the spot, or the look, or the words, which laid the foundation. It is too long ago. I was in the middle before I knew that I had begun.

The most important thing in the programming world is to keep learning and adapting to new technologies.

Understanding nature’s complexity is the ultimate challenge.

We need to focus on the actual outcomes of policies, not just their intended effects.