我认为生命是一份礼物，重要的是珍惜每一刻。
I think that life is a gift and that it is important to take advantage of every moment.
La vida es demasiado corta para leer libros malos.
The best leather tells a story—of craftsmanship, ethics, and time.
The most elegant proofs are those that reveal the heart of the problem with clarity.
A poet is a painter of the invisible, a sculptor of the intangible.
La felicidad es una forma de coraje.
你越深入数学，就越能意识到一切是如何相互关联的。
I think therefore I am has been discarded; we should say, I feel therefore I am.