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And what I noted, since the really big ideas carry 95 percent of the freight, it wasn’t at all that hard for me to pick up all the big ideas and all the big disciplines and make them a standard part of my mental routines. Once you have the ideas, of course, they are no good if you don’t practice. You don’t practice, you lose it.

研究量子引力對(duì)于理解早期宇宙至關(guān)重要。

熄滅了吧，熄滅了吧，短促的燭光！人生不過是一個(gè)行走的影子，一個(gè)在舞臺(tái)上指手劃腳的拙劣的伶人，登場(chǎng)片刻，就在無聲無臭中悄然退下；它是一個(gè)愚人所講的故事，充滿著喧嘩和騷動(dòng)，卻找不到一點(diǎn)意義。

你不能兩次踏入同一條河流。

The real contest is always between what you've done and what you're capable of doing. You measure yourself against yourself and nobody else.