We are essentially so very diffrent. There is no such a thing as : "we are all one" , because we aren't!

'Two different species of birds will absolutely sing different songs, but birds of the same species, that live in a common area, will sing the same song as it's neighbours. This is how they learned the song, and they will repeat it.'
Source(s):birder, volunteer in wild animal hospital, where young songbirds are taught thier native songs.

(-*-)! Diffrent level of consciousness and intelligence,   different characters, diffrent levels  of perception,  diffrent systems of values, diffrent modes of operation. Each soul is essentially  so very different. © fmoesf
Therefore,  the ...
●' Cosmic time is the same for everyone, but human time differs with each person. Time flows in the same way for all human beings; every human being flows through time in a different way. © Yasunari Kawabata