国际政治是一项残酷而危险的事务,而且很可能继续保持这种状态。
解析:学问之道在于找回迷失的本心。
"La memoria es un laberinto donde a veces nos perdemos, pero también donde nos encontramos."
True leadership means making tough decisions today for a better tomorrow.
"The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them."