"The truth is rarely pure and never simple."

When public speaking， pause frequently. Pause before you say something in a new way， pause after you have said something you believe is important， and pause as a relief to let listeners absorb details.

We need to understand the brain to build better AI.

"Die Kunst ist das Sich-ins-Werk-Setzen der Wahrheit."

The security dilemma is a fundamental feature of international politics, as states' efforts to increase their own security often decrease the security of others.