会放手就别深拥会离开就别靠近
[huì fàng shŏu jiù bié shēn yōng huì lí kāi jiù bié kào jìn]
Roughly translating to: If we can let go, then there's no need for deep embrace; if we're going to part anyway, don't get too close in the first place. Expresses rationality towards relationships or attachments.