天籁，风吹万窍声音不同，都是自由自在地发声或停止，毋需外力的支配。

Stories you read when you're the right age never quite leave you. You may forget who wrote them or what the story was called. Sometimes you'll forget precisely what happened, but if a story touches you it will stay with you, haunting the places in your mind that you rarely ever visit.

Learning to read involves the development of attentional networks that allow children to focus on letters and words while ignoring distractions.

The heart breaks and breaks and lives by breaking.

解释：善于治理国家的君主，应该顺应民心。