There is something to what he's just said.

他刚才说的话很有见地。

　　作为一个固定的表达，there be something to/in sth. 表示确有道理、有见地、有不同凡响之处。
　　例句：
　　Many folk remedies have stood the test of time, so there must be something in them.
　　不少偏方经过时间的考验很有效，其中肯定是有根据的。
　　If such a work is hundreds or thousands of years old and is still admired, there is probably something to it.
　　既然一部作品已经存在了几百年或几千年，今天仍受到赞赏，那么它大概确实有些名堂。