The problem is when we explore the world we think about the world, and every time we think about it, it Ignite our understanding of the world.
直译的话是问题是当我们探索世界的时候，我们思考这个世界，每当我们想到它，它就会点燃我们对世界的理解。
这句话就中文来说语法上有点问题，所以我给它加了主语。
重点词汇释义
问题problem; question; issue; matter; trouble
探索exploration; explore; probe; searching; grope for
世界时world-wide time; universal time (UT)
产生produce; engender; emerge; come into being; bring
思考think deeply; ponder over; cogitate; deliberate
每一次every time
点燃light; ignite; lighting; ignition; emblaze
世界world; global; earth; welt
理解understand; comprehend; understanding, comprehension; apprehend; catch on
