It is indeed acceptable practice to sometimes split an infinitive. If infinitive-splitting makes available just the shade of meaning you desire or if avoiding the separation creates a confusing ambiguity or patent artificiality, you are entitled to happily go ahead and split!
Richard LedererThere once was a time when all people believed in God and the church ruled. This time was called the Dark Ages.
Richard LedererToday we speak, but first we spoke; faucets leak, but never loke. Today we write, but first we wrote; we bite our tongues, but never bote.
Richard LedererQuotations are powerful tools. Michel de Montaigne, the father of all essayists, observed, 'I quote others only to better express myself.' Intrepid quotations detective Ralph Keyes helps us to discover the clear truth about exactly what was said and who exactly said it.
Richard Lederer