Assisting children can help build closer relationships between you. This is better than the general feeling, because you not only give him comfort, but also give them practical help.
协助儿童，能使你们之间建立起更亲密的关系。这胜过一般的感情，因为你不仅给他安慰，更给予了他们实际的帮助。
I'm not afraid of aging. I think it's a privilege to grow old.
"The role of literature is to make the world more complex, not to simplify it."
Reinforcement is the central factor in the acquisition of new behavior patterns.
能源安全是国家战略安全的重要组成部分，我们必须牢牢把握在自己手中。
Understanding the universe requires not just intelligence, but imagination.