Innovation in natural gas extraction is key to meeting the world's growing energy demands while reducing environmental impact.
The causal perspective is the key to unlocking the mysteries of the universe.
The world is a stage, but the play is badly cast.
唯一具有持久重要性的自由是智慧的自由，也就是说，为了本质上值得的目的而行使的观察和判断的自由。
Technology is a tool, talent is the soul—only their combination creates value.
The best way to be happy is to be grateful.