[直流特性]

1.The most selfish one-letter word is "I".Avoid it.
2.The most satisfying two-letter word is "We".Use it.
3.The most piosonous three-letter word is "Ego".Kill it.
4.The most used four-letter word is "Love".Value it.
5.The most pleasing five-letter word is "Smile".Keep it.
6.The fastest spreading six-letter word is "Rumour".Ignore it.
7.The hardest working seven-letter word is "Success".Achieve it.
8.The most enviable eight-letter word is "Jealousy".Distance it.
9.The most powerful nine-letter word is "Knowledge".Acquire it.
10.The most essential ten-letter word is "Confidence".Trust it.

PS:As I suggest,the most useful phrase is "Just do it".