人工智能的关键在于知识的表征。
The key to artificial intelligence is the representation of knowledge.
The best way to increase your positivity is to find positive meaning within your current circumstances.
安静能产生智慧，躁动则会导致昏乱。
纠缠不仅仅是量子力学的一个奇特特征；它是宇宙运作的本质。