A man who dares to waste one hour of time has not discovered the value of life.  
Confidence isn't optimism or pessimism, and it's not a character attribute. It's the expectation of a positive outcome.
The only way to get better at writing is to write.
在空闲的时候不做准备,危急的时候却临时抱佛脚。国家发生战乱时,才想到有名的将领;家庭贫困时才希望能有个贤惠的妻子。