经过不断改善自己的动作，幼儿从独立活动中获得喜悦。

好奇心是驱使我们理解宇宙的动力。

The stars are not just points of light in the sky; they are the dreams of those who dared to look up.

When you betray somebody else, you also betray yourself.

医学的真正价值在于减轻人类痛苦

世界上充满了自童年起就从未以开放心态面对开放之门的人。