Art for art's sake is a philosophy of the well-fed.
It would be a pity if frustrated by the price of travel we elected to become a society that never made contact that never gave SETI a fair chance.
If interstellar travel is as time- or energy- demanding as the above figures...
I love to photograph gorgeous landscapes when I...
He traveled in order to come home.
There's no need to travel further. The Los Angeles area is big enough for us.
