There's many a slip
'Twixt the cup and the lip. [ Proverb ]

He could distinguish and divide
A hair 'twixt south and south-west side. [ Butler ]

This narrow isthmus 'twixt two boundless seas. [ Moore ]

My will enkindled by mine eyes and ears,
Two traded pilots 'twixt the dangerous shores,
Of will and judgment. [ William Shakespeare ]

And when she spake, Sweete words,
like dropping honey, she did shed;
And 'twixt the perles and rubies softly brake
A silver sound, that heavenly musicke seem'd to make. [ Spenser ]

Eyes and ears, two trade pilots 'twixt the dangerous shores of will and Judgment. [ William Shakespeare ]