At this moment an idea flashed into [through] his mind.

这时他脑子里闪过一个念头。

《新英汉大辞典》

So with all of this in mind, I'd like to make a proposal: it's time for a new iconic image of the moment we became human.

因此，考虑的所有这一切，我想提出一项建议：现在到了需要一个新的标志性形象的时刻了，来纪念我们在精神上成为人类。

youdao

In this state of mind nothing escaped him, nothing deceived him, and every moment he was discovering the foundation of life, of humanity, and of destiny.

在这样的精神状态中，任何事物都逃不过他，骗不了他，他随时在发现人生、人类和命运的底蕴。

youdao