A gentleman is one who never hurts anyone’s feelings unintentionally.
過去不是為了生活其中；它是一個結論的源泉，我們從中汲取以行動。
The old believe everything; the middle-aged suspect everything; the young know everything.
證明是一種用于使他人相信數(shù)學陳述為真的工具。
"The magic of cinema lies in the shadows."
Psychology must show how mind serves the needs of the organism.