" Struve came away convinced of his and Ulyanov’s irreconcilability – morally, politically and socially. Both Ulyanov and Plekhanov had been brusque, to the point of mockery, in their rejection of him, but he found something unnerving and ‘repulsively cold’ in Ulyanov’s behaviour. Such coldness was ‘organic’, "

― Helen Rappaport , Conspirator: Lenin in Exile