Between stimulus and response there is a space. In that space is our power to choose our response. In our response lies our growth and our freedom.
学习贵在专一，不以涉猎广泛为能。
Mathematics is the art of asking the right questions and then finding their answers.
"El humor es una herramienta poderosa para hablar de las cosas serias."
To be a writer is to be a thief of other people's lives.
