Sleep is not a luxury; it’s a necessity for your brain.
The past is never dead. It's not even past.
一个领导者的遗产是由他们行动的可持续性来衡量的。
Simplicity is the ultimate sophistication.
唯一真正的和平是心灵的和平。
The study of mathematics is a journey into the unknown, where each discovery opens the door to new mysteries.