追求知识不仅是心灵的旅程，也是心灵的旅程。
"The pursuit of knowledge is not just a journey of the mind, but also of the heart."
The world is full of signs and wonders that come, and go, and if you are lucky you might catch the tail of one as it flies past.
To conquer fear is the beginning of wisdom.
The same principles which at first view lead to skepticism， pursued to a certain point， bring men back to common sense.