A proof tells us where to concentrate our doubts.
证明告诉我们该集中怀疑的地方。
可持续林业不仅仅是砍伐树木,更是培育文明。
一个人的好名声不是轻而易举就能够得到的;名誉也不是靠欺诈伪装的手段来赢得的。
The past is a shadow that follows us, but it is up to us to decide whether it will darken our future.
"Illustrations should whisper secrets to the reader, not shout the obvious."
The joy of science is in the journey, not just the destination.