心理学唯一有效的数据是受过训练的观察者的报告。
The only valid data for psychology are the reports of trained observers.
"Drawing is the honesty of the art. There is no possibility of cheating. It is either good or bad."
以前的事不要再评说了，做完的事不要再议论了，过去了就不要再追咎。
I turn myself into a dot and merge with the universe.
Leadership in forestry means making tough decisions today for a better tomorrow.