It is only with the heart that one can see clearly the essence of things, what is essential is invisible to the eye.

只有用心灵才能看得清事物本质，真正重要的东西是肉眼无法看见的。

youdao

Testing and measure are indispensable means for human beings to understand the objective things in the nature and to quantify the phenomena of these things in order to see through the essence.

测试与测量是人类认识自然界客观事物并对这些事物的若干现象进行量化从而深入认识其本质的必不可少的手段。

youdao

As we know, the essence of things is generally hidden behind the appearance, and to see through the appearance to the essence is the main task of scientific research.

我们知道，事物的本质往往隐藏在现象之后，而透过表象发现本质，主要是科学研究的任务。

youdao

Mr. SYKES: Well, what I'd like to see is a more open discussion that would lead to a definition that might capture the essence of the characteristics of things we call planetary bodies.

NPR: Astronomers Prepare to Fight Pluto Demotion