The true measure of success is not just profit, but the positive impact we have on communities and ecosystems.
The selfish gene theory is not a theory about selfishness in the everyday sense. It is a theory about the evolution of behavior.
没有什么比女人有幽默感—或男人没幽默感更破坏爱情的。+
The elegance of a mathematical proof is in its simplicity and clarity.