Psychology must be grounded in biology to be truly scientific.
I'm not afraid of storms, for I'm learning how to sail my ship.
意志不坚强的人，智慧也不会高到哪里去；说话不算数的人，做事也不会果敢痛快。
Color is my day-long obsession, joy and torment.
"We are all in the gutter, but some of us are looking at the stars."
学校必须与生活紧密相连，教育与劳动相结合。
鸟有巢，蜘蛛有网，人有友谊。