“If you make a mistake and do not correct it, this is called a mistake.”
“Be not ashamed of mistakes and thus make them crimes.”
“I hear and I forget. I see and I remember. I do and I understand.”
“Tell me and I will forget, show me and I may remember; involve me and I will understand.”
“A lion chased me up a tree, and I greatly enjoyed the view from the top.”
“He who is concerned only with the purity of his own life ruins the great human relations.”