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Sometimes we get sad about things and we don’t like to tell other people that we are sad about them. We like to keep it a secret. Or sometimes, we are sad but we really don’t know why we are sad, so we say we aren’t sad but we really are.

孩子們只有對自己發明的東西才有真正的理解，每當我們試圖太快地教他們一些東西時，我們就阻止了他們自己去重新發明它。

The mind is a system of interrelated processes.

The most important actions are never comfortable.