Always look at what you have left. Never look at what you have lost.
【講解】：一個(gè)人的高尚的品質(zhì)和外在的表現(xiàn)一致，然后才能成為君子。
The only way to achieve your goals is to work hard and never give up.
?我從未遇到過一小時(shí)閱讀不能解除的痛苦。
正向強(qiáng)化的實(shí)施方式比其數(shù)量更重要。