The only meaningful way to study learning is through objective measurement.
我们实现明天的唯一限制将是我们今天的疑虑。
美丽的眼睛能发现他人身上的美德,美丽的嘴唇只会说出善言,美丽的姿态能与知识并行,这样就永不孤单。
"I want my readers to feel that they are not alone."