数学的本质在于其自由性。
The essence of mathematics lies in its freedom.
最好的书是读完后仍长久留在你心中的书。
Remembering that I'll be dead soon is the most important tool I've ever encountered to help me make the big choices in life. Because almost everything - all external expectations, all pride, all fear of embarrassment or failure - these things just fall away in the face of death, leaving only what is truly important.
"La vida es un laberinto en el que a veces nos perdemos, pero siempre encontramos el camino de regreso."
理性是冰冷的太阳,它给予光明却不给予温暖。