用not far to seek造句子，“not far to seek”造句

"The reason is not far to seek. It was my folly, and thy weakness. I- a man of thought- the bookworm of great libraries- a man already in decay, having given my best years to feed the hungry dream of knowledge- what had I to do with youth and beauty like thine own!"

The explanation is not far to seek, ie is very clear.