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The free, exploring mind of the individual human is the most valuable thing in the world.

The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.

Technology should serve agriculture, not the other way around - we must never forget our roots.

成功的人在生活中無論周圍發(fā)生什么，都保持積極的焦點(diǎn)。他們專注于過去的成功而不是過去的失敗，專注于他們需要采取的下一步行動(dòng)步驟，以使他們更接近實(shí)現(xiàn)目標(biāo)，而不是生活中呈現(xiàn)的所有其他干擾。