The one is none other than the All, the All none other than the One.
Seng Ts'an
The highest wisdom has but one science - the science of the whole - the science explaining the whole creation and man's place in it.
Tolstoy
All know that the drop merges into the ocean but few know that the ocean merges into the drop.
Kabir
Knowledge is one. Its division into subjects is a concession to human weakness.
Sir Halford John Mackinder