The only limit is the one you set yourself.

晏子春秋

The man who believes that the secrets of the world are forever hidden lives in mystery and fear. Superstition will drag him down. The rain will erode the deeds of his life. But that man who sets himself the task of singling out the thread of order from the tapestry will by the decision alone have taken charge of the world and it is only by such taking charge that he will effect a way to dictate the terms of his own fate.

心理学研究的重点不是心灵是什么，而是心灵做什么。

我只是一个想要有所作为的孩子。