The human being needs sadness as much as he needs joy.
人類需要悲傷，正如需要歡樂一樣。
大自然不會因為分析的困難而感到尷尬。
"Life is a journey that must be traveled no matter how bad the roads and accommodations."
Truth is arrived at through rational reflection and observation of the natural world.
I always try to do something different, something that challenges me.
另一個人的心是一片黑暗的森林，無論它曾經(jīng)多么接近自己的心。