我是一个坚强的人，但我也有很多情感。
"Without the past, there is no future."
"La memoria es el territorio donde habitan los fantasmas de nuestra identidad."
A well-designed market minimizes the opportunities for strategic manipulation.
We are entering an era where the biological sciences will dominate the intellectual landscape.
No matter how complex or refined, all behavior is to be explained in terms of stimulus and response.