每当心情郁闷的时候，用手托腮就好，手臂会因为帮上忙而开心的。
When you're depressed, It always helps to lean your head on your arm. Arms like to feel useful.
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
I can't go on, I'll go on.
现代国家的特点是其能够有效地集中和使用权力。
Your group can achieve great things way beyond your means simply by showing people that they are appreciated.