Einstein invented so many arms and weaponry.
He discovered a lot and earned money.
Finally he understood the truth.
>What is for all this ammunition? It is only to kill people.
>Is it what I have learnt? I could not join good company.
>I have become a scientist and cause for all destruction."
Then he has gone through Bhagavad Gita.
Then he said,
>Tell me your company, I shall tell you what you are.

As is the company so you become.