When it's cold, water freezes into ice; when it's warm, ice melts into water. Similarly, when you are confused, essence freezes into mind; when you are enlightened, mind melts into essence.

Musō Soseki (1275 CE-1351 CE), Musō Soseki was a Rinzai Zen Buddhist monk and teacher, and a calligraphist, poet and garden designer. The most famous monk of his time, he is also known as Musō Kokushi (夢窓国師) ("national Zen teacher"), an honorific conferred on him by Emperor Go-Daigo.