数学是科学的钥匙和门。
Mathematics is the key and door to the sciences.
Freedom without justice is tyranny.
The world is a book, and those who do not travel read only a page.
The most valuable asset any company has is its people—their knowledge, creativity and commitment.
他是有福的，因为他的名望并没有比他的真实更光亮。
"We do not lack communication, on the contrary, we have too much of it. What we lack is creation."
The old believe everything; the middle-aged suspect everything; the young know everything.