Spelling:

heart of a newborn baby—utter innocence

Explanation:

Hold: keep; Persistence; Refers to: pronouns; Refers to what you want to stick to; Constant: long-term; Perseverance. Perseverance. Also called persistence.

Go out:

Song Loujian's "Thunder Collection" should be sealed: "What's going on in the world should be done; Everything is well-meaning; Stick to it for a long time. "

Example:

Exercise must be ~; Otherwise, the effect will be very small. ^^&； If you want to succeed in your career; Except determination; More.