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技術(shù)必須以人為本，否則毫無(wú)意義。

Challenges make me stronger.

教學(xué)的全部藝術(shù)，不過(guò)是喚醒年輕人天生的好奇心，以便日后滿足它。

I am interested in the beauty of the ordinary.

I'm very proud to be black, but black is not all I am. That's my cultural historical background, my genetic makeup, but it's not all of who I am nor is it the basis from which I answer every question.

"We perceive not objects, but their utilities."

真正的監(jiān)獄不是由鐵條制成的，而是由恐懼制成的。

The writer is a person who writes, not a person who is written about.