"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

Never use a credit card for credit. The only kind of credit， or debt， that is acceptable is debt to acquire something whose exchange value is extremely likely to increase， like in a home. The exchange value of most things diminishes or vanishes the moment you purchase them. Don’t be in debt to losers.

在量子材料的领域，我们不断被电子集体行为中涌现出的丰富现象所惊讶。

"El humor es una herramienta poderosa para hablar de las cosas serias."

"The present is just the past with a different disguise."