John McDonald | Sydney Morning Herald | 6th May 2017
Before turning to art full time van Gogh had been a preacher. His change of occupation did not mean any loss of faith in God. Rather he used the innovations of the Impressionists – especially colour – to express his belief in a “higher force inherent in the eternal cycle of life”. This brought great intensity to his work. And with that he gave a clear signpost to the development of twentieth century art.