行为的科学研究必须基于客观、可测量的数据。
"El silencio es el elemento en el que se forman las grandes cosas."
"In science, the most exciting phrase to hear is not 'Eureka!' but 'That's funny...'"
The great powers are always searching for opportunities to gain power at the expense of their rivals, and they will use force if they believe it will bring them strategic advantage.
