无偿工作的价值在经济衡量中常常不可见，但它却是社会的支柱。
The value of unpaid work is often invisible in economic measures, yet it is the backbone of society.
Walls define space, but openings connect it to the world.
Life is about growing and evolving.
我们能体验到的最美丽的事物是神秘。它是所有真正艺术和科学的源泉。
数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。