遊ばせるな don’t let be idle

考えを遊ばせるな。考えを遊ばせたら考えがさびつき、固まってしまう。

Don’t let thoughts/thinking be idle. If you let your thoughts/thinking be idle, thoughts/thinking will rust and become stiff.

photo:「Some Say Time is like a River」by karmking1111 from flickr