You cannot find two snowflakes the same. You cannot find two grains of sand the same.
That means, God purposely made everything different; everything is unique in its own way—there is no superior or inferior. If we realize that, we will respect everything and everybody.
In a sense, we are one and many. If we realize this, our lives will be happy and peaceful; we won’t see people as different from us. That’s what is meant by, ‘Love thy neighbor as thyself.