Nothing outside yourself can cause any trouble. You yourself make the waves in your mind. If you leave your mind as it is, it will become calm. This mind is called big mind.

Suzuki Roshi (1904-1971), Shunryu Suzuki, often called Suzuki Roshi was a Sōtō Zen monk and teacher who helped popularize Zen Buddhism in the United States, and is renowned for founding the first Zen Buddhist monastery outside Asia.