Extremes meet.

Sharp is the kiss of the falcon's beak.

Only by the candle, held in the skeleton hand of Poverty, can man read his own dark heart.

A pearl may in a toad's head dwell, And may be found too in an oyster shell.

The man who wants his wedding garments to suit him must allow plenty of time for the measure.

Given that we can live only a small part of what there is in us -- what happens with the rest?