内向是心理疾病温床？不！它是未被开采的矿藏。
【释义】社会常把内向病理化，凯根用实验证明：内向气质是大脑独特的生物设定，藏着深度思考与独立创新的宝藏。
The degree of slowness is directly proportional to the intensity of memory; the degree of speed is directly proportional to the intensity of forgetting.
——1920年1月为《大光报》年刊题词
Simplicity is the ultimate sophistication in design.
The harder you work, the luckier you get.