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The most effective development interventions are often the simplest ones.
"The past is never dead. It's not even past."
"The greatest battles are fought within the silent chambers of our own hearts."
The past is a cupboard full of light and all you have to do is find the key that opens the door.
老师声称代数是完美而自然的、我们应无条件地接受它,而我甚至不能理解什么是数。对我来说数学课完全就是恐怖和折磨。我完全不理解代数,这使我胆怯得不敢问任何问题。