数学中最重要的是理解概念，而不仅仅是记忆公式。

The more you hide your feelings, the more they show.

Freedom was a thing that shifted as you looked at it, the way a forest is dense with trees up close but from outside, from the empty meadow, you see its true limits. Being free had nothing to do with chains or how wide your cage was.

Change is inevitable, but progress is a choice.

可持续性必须是现代采石场运营的基石，而非事后考虑。

"A good picture book is a silent conversation between the artist and the child."

"Silence is the perfectest herald of joy: I were but little happy, if I could say how much."