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設計應該解決問題，而不僅僅是看起來好看。

"In observational studies, we often have to rely on assumptions that are not directly testable."

The truth is rarely pure and never simple.

我和普通人一樣。會受傷也會流血，也很容易難為情。

I don't want to make things that are difficult for people. I want to make things that are easy.

Every seed contains the potential to change a community.

The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.