离心还有一米远与海只距一心宽
[lí xīn hái yŏu yī mĭ yuăn yŭ hăi zhĭ jù yī xīn kuān]
Conveys that there's still some distance from understanding each other's heart or having an open mind as vast as the sea. The phrase 'one heart-width away from the sea' also hints at needing a broader, more open-minded perspective on things.