乌鸦般的交情，虽然看上去挺好，但实则不亲密；绳子结在一起，虽然看上去牢固，但能轻易解开。
The study of cognition is the study of how human beings understand their world.
The only way to do great work is to love what you do.
The truth is not always beautiful, nor beautiful words the truth.
The causal framework is the foundation of scientific reasoning.
可持续发展不仅需要愿景，还需要具体行动。