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Invert, always invert: Turn a situation or problem upside down. Look at it backward.

"A wordless book speaks in a universal language."

科學(xué)應(yīng)該服務(wù)于人類，而不僅僅是好奇心。

Happiness lies in the joy of achievement and the thrill of creative effort.

創(chuàng)新不僅僅是技術(shù)，更是改變思維方式。

The most reliable thing in the world is yourself.

解釋：處在有利的地位上想到道義，處在困難之中想到保持純正。