Perhaps unhappiness can stem from having only one perspective to play with.
【讲解】:聪明的人不会疑惑,实行仁德的人会忧愁,真正勇敢的人,不会畏惧。
Every genome is a unique historical document.
未来属于那些敢于相信不可能的人。
"The stream of thought flows toward survival."
每一个作用力总是有一个相等的反作用力与之对抗。