The theory of light was, in fact, a subject which I had studied with great interest, and I had formed a definite opinion as to the nature of light.
事实上，光的理论是我非常感兴趣的研究课题，我对光的本质形成了明确的看法。
若你想从不被批评，那务必不要尝试新事物。
长远思考，宏大思考。
The question is not whether the thing exists， but whether it has any essence which is capable of existence without us.
I don't care what you say about me as long as it's not true.