估计问题的性质与检验统计假设的问题不同。
假设生活会非常艰难，然后问自己能否承受。如果答案是肯定的，你就赢了。
Success is not final, failure is not fatal: It is the courage to continue that counts.
投资者需要学会控制自己的情绪，不要被市场情绪左右。
The most exciting moments in mathematics are when you realize that two seemingly unrelated areas are deeply connected.
"You have to believe in yourself when no one else does—that's what makes you a champion."
The game of life is the game of everlasting learning. At least it is if you want to win.
You can’t please everyone, so just be yourself.