人类心智形成和操纵符号的能力使我们区别于其他动物。
The capacity of the human mind for forming and manipulating symbols is what sets us apart from other animals.
The basic laws of behavior are the same for all organisms.
The future of medicine lies in understanding the unseen—viruses, genes, and the invisible forces that shape health.
The world is in a constant state of flux. Nothing remains the same from one moment to the next. You can never step into the same river twice.
