It’s all—let’s use a very specific word here—miraculous. You, me, love, quarks, sex, chocolate, the speed of light—it’s all miraculous, and it always has been.

Reasonableness is a matter of degree. Beliefs can be very reasonable (Japan exists), fairly reasonable (quarks exist), not unreasonable (there’s intelligent life on other planets) or downright unreasonable (fairies exist).There’s a scale of reasonableness, if...