领导就是服务,而不是被服务。
自由的代价是永恒的警惕。
要养活世界,我们必须首先了解脚下的土壤。
"A book is a conversation between the writer and the reader across time."
The concept of NP-completeness has provided a powerful tool for understanding the complexity of computational problems.
I'm not afraid to fail. I'm not afraid to fall. I'm not afraid to be embarrassed. I'm not afraid to be vulnerable.