He quit something he had been working towards for many years because he realized the end result wasn't what he wanted.

他放弃了很多努力了多年的事情，因为那些事的最终结果并不是他想要的。

youdao

I think he began to take life a bit more seriously after Cuba because he realized instead of just being a game it was for real.

我认为，古巴之旅使他开始比较严肃地看待人生，因为他领悟到，人生不是一场游戏，而是有血有肉的现实。

youdao

We forget that Socrates was famed for wisdom not because he was omniscient but because he realized at the age of seventy that he still knew nothing.

我们忘了，苏格拉底之所以流芳百世，不是因为他什么都懂，而是他发现在他七十岁的时候，仍然什么都不懂。

youdao

Because of that, over time he realized that we were abusing the ocean, but people up there didn't know that because they had never seen what was underwater."

VOA: standard.2010.06.18

He decided to give up wine and heavy meals, because he realized that they were dulling his intellect.

NEWYORKER: The Insufferable Gaucho

Undeniably, as a species we are extremely adaptable, but we must never forget that the Oracle of Delphi called Socrates the wisest of all men: He was the wisest of all men because he realized he was stupid.

FORBES: The Missing Elephant in the Bedroom

He realized many people love art but never collect it because buying art for the first time is a daunting experience.

FORBES: Could Artify It Be The Web Evolution Of The Art Gallery?