An optimist sees an opportunity in every calamity,
a pessimist sees a calamity in every opportunity.
樂觀的人在災難中看到希望，悲觀的人在希望中看到災難。
An optimist sees the rose,a pessimist the thorn.
樂觀的人看到玫瑰，悲觀的人看到刺。
Optimist always picture themselves acomplishing the goals.
——Seneca,Ancient Roman philosopher
樂觀主義者總是想象自己實現了目標。
——古羅馬哲學家，西尼加
Most folks are about as happy as they wake up their minds to be.
——Lincoln
對於大多數人來說，他們認為自己有多幸福，就有多幸福。
——林肯