I.F.S.

All of these far future speculations, of course, depend on a series of “ifs.”

So, for us to know if Kepler-186f is habitable or not, we have to consider several “ifs”.

As an historian, I am not supposed to traffic in “ifs” but as a peace activist and citizen I must.

I still generally predict that Cain makes it through this, but that depends on a lot of ifs.

That's a whole lot of "ifs" for one sentence—but it's the best chance Anthony Weiner has to keep going.

There are such "ifs" in the world, which no human mind can challenge.

How, having desired your Zelie without 'ifs' or 'buts' he found means to make his purpose good, Bibi-Ri!

One of their punishments will be the corroding contemplation of the "ifs" and "buts" of their stupendous gamble.

"All your troubles are due to those 'ifs'," declared the Wizard.

If 'ifs and ands were pots and pans,' Lady Welter, we should do surprisingly well.