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把知识看作一棵语义树:寻找主干第一性原理是量子力学中的一个术语,意思是从头算,无需任何经验数据,只用少量基本参数(质量、电荷量、光速等)做计算,很接近于反应宇宙本质的原理。我们用第一性原理思维而不是比较思维,这是非常重要的。生活中我们总是倾向去比较——别人已经做了,我们也去做,这只能获得小的成就。第一性原理的思考方式是用物理学的角度看到世界的方式,也就是一层层剥开事物的表象,看到里面的本质,然后再从本质一层层往上走。把知识看作一棵语义树很重要,深入细节或者枝叶前,保证你可以理解基本原理,也就是主干和大分支,否则细
Seeking knowledge as a semantic tree: Finding the backbone The first principle is a term in quantum mechanics, meaning ab initio, without any empirical data, with only a few basic parameters (mass, charge, light speed, etc.) Very close to the principle that reflects the nature of the universe. It is very important that we think in terms of first principles instead of more in terms of thinking. We always tend to compare in life - others have done, we also do, it can only get small achievements. The first principle is to think of ways to see the world from the perspective of physics, that is, to peel off the appearance of things in layers and see the essence inside, and then go up one level from the essence. It is important to think of knowledge as a semantic tree, with in-depth details or foliage, to ensure that you understand the basics, that is, the trunk and the big branch, or the fine