单丝不成线，独木不成林
dān​sī​bù​chéng​xiàn​dú​mù​bù​chéng​lín

one person cannot do it alone

单丝不成线，独木不成林 單絲不成線，獨木不成林 dān​sī​bù​chéng​xiàn​dú​mù​bù​chéng​lín
one person cannot do it alone
A single strand of silk does not make a thread, and a single tree does not make a forest; one person cannot achieve much without the help or cooperation of others

Cross-References

See