The study of mental processes requires both experimental and comparative methods.
"Books are like rivers that flow into the sea of our consciousness."
"Schreiben ist eine Art zu leben."
译文：鸟的羽毛尚未丰满，就不能展翅高飞。
对你的孩子好一点，因为他们未来会给你选养老院。
To predict tomorrow’s weather， I need not take into account the state of mind of the Emperor of Manchukuo.