Growth is painful, but nothing is as painful as staying stuck.
成长是痛苦的，但没有什么比停滞不前更痛苦。
可以说，消化道是生命物质最初和最古老的实验室。
The problem isn't that Johnny can't read. The problem isn't even that Johnny can't think. The problem is that Johnny doesn't know what thinking is; he confuses it with feeling.
解释：将自己的利益给了别人，别人也将会把实惠返回给自己；将自己的怨恨发泄给别人，祸害也将会降临到自己身上。
"The past is a foreign country; they do things differently there."