I would guess that modern humans, with no natural predators but themselves, and with all their toys and mental constructs and cosy rooms, are relatively easy to creep up on.
A child's ability to become deeply absorbed in something, and derive intense pleasure from that absorption, is something adults spend the rest of their lives trying to return to.
I did not discover that Hamlet had his self-possession from no schooling but from indifference and passion conquering sweetness, and that less heroic minds can but hope it from old age.
In most languages, these two aspects are inextricably linked, such that having the name means you can also change the value. This relationship is shown in Figure 4.
Over 150 companies bid for licences divided into regions and cities, allowing operators to cobble together nationwide coverage or concentrate their efforts.