"Explain this happening!"
"It must have a 'natural' cause."
"It must have a 'supernatural' cause."
Let these two asses
be set to grind corn.
May, might, must, should, probably, may be, we may safely assume, ought, it is hardly questionable, almost certainly — poor hacks! let them be turned out to grass!
Proof is only possible in mathematics, and mathematics is only a matter of arbitrary conventions.
And yet doubt is a good servant but a bad master; a perfect mistress, but a nagging wife.
"White is white" is the lash of the overseer: "white is black" is the watchword of the slave. The Master takes no heed.
The Chinese cannot help thinking that the octave has 5 notes.
The more necessary anything appears to my mind, the more certain it is that I only assert a limitation.
I slept with Faith, and found a corpse in my arms on awaking; I drank and danced all night with Doubt, and found her a virgin in the morning.