Beneficial oppression

The stealthy erosion of freedoms is nearly always disguised as a "benefit" to the citizenry.

A flash of caution

When I see a flash of lightning over the horizon I should consider the likelihood of a storm. 

Accelerating truth

The danger with putting a brick of absolute certainty on the accelerator of your philosophy is that the tunnel you assume leads straight to the fruit of your truth may twist.

Watching for future threats.

If you never raise your head a hundred times then you'll never see the predator the one time that it matters.