"It is difficult to get a man to understand something when his salary depends upon his not understanding it." -- Upton Sinclair (https://en.wikipedia.org/wiki/

"It is difficult to get a man to understand something when his salary depends upon his not understanding it." -- Upton Sinclair (https://en.wikipedia.org/wiki/Upton_Sinclair https://en.wikipedia.org/wiki/Upton_Sinclair)