与人为善,因为你所遇到的每一个人都在进行着某种形式的艰苦斗争。
Be kind,for everyone you meet is fighting a hard battle.
The essence of mathematics lies in its freedom.
质量不是理论;它是一种实践。
Be kind to yourself, you’re doing your best.
The silent revolution of women’s labor force participation has reshaped families, markets, and societies.