來日方長
there will be ample(or plenty of)time for that
～，后會有期。There will be plenty of time yet.or.We'll certainly meet again some day.
來日方長lái rì fānɡ chánɡ
方：正。將來的日子還很長。there will be ample time, The day is yet to come. The coming days would be long. hoave a long future before one