Once we realize that imperfect understanding is the human condition, there is no shame in being wrong, only in failing to correct our mistakes.
The child is not a passive recipient of knowledge but an active participant in the learning process.
40%的解决方案:提升幸福的能力在我们的个人掌控之中。
音乐是我无法言语时的声音。
Never be afraid to challenge the status quo. That's how progress is made.
You are never too old to set another goal or to dream a new dream.