나이가 성숙을 보장하지는 않는다.
They must often change who would be constant in happiness or wisdom.
모든 성과는 요령을 피우지 않을 때 생긴다.
If you can imagine it, you can achieve it; if you can dream it, you can become it. -William Arthur Ward-
If you fell down yesterday, stand up today. -H.G. Wells-
The most unhappy customers are your greatest source of learning. -Bill Gates-