Do the impossible, do what appears impossible.

The choice between two mutually exclusive possibilities.

Not that we had the choice.

That is not a problem.

I'm teaching myself mechanics, and set out to solve a problem determining the optimum angle to throw a projectile when standing on a hill, for maximum range.

What works in the angle succeeds in the arc and holds in the chord.

In the afternoon the bees swarmed round the kitchen drain looking for water.

If you’re out there you’re vulnerable.

If you put your hand up, you may be called upon.

Things are kicking off everywhere.