You have to be thick-skinned in this business.
The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.
我们都是陌生人，甚至对自己来说也是。
Every artist dips his brush in his own soul, and paints his own nature into his pictures.