“To her son these words conveyed an extraordinary joy...Since he belonged, even at the age of six, to that great clan which cannot keep this feeling separate from that, but must let future prospects, with their joys and sorrows, cloud what is actually at hand, since to such people even in earliest childhood any turn in the wheel of sensation has the power to crystallise and transfix the moment upon which its gloom or radiance rests, James Ramsay...endowed the picture of a refrigerator... with heavenly bliss. It was fringed with joy. The wheelbarrow, the lawnmower, the sound of poplar trees, leaves whitening before rain, rooks cawing, brooms knocking, dresses rustling—all these were so coloured and distinguished in his mind...” (Ch I, "The Window").
The prospect of visiting the lighthouse fills James with such "joy" that it transfers to unrelated things like the pictures he is cutting out (Ch I, "The Window"). Here, James' intense emotion could be viewed as a demonstration of children's distinct emotional capacities.