2 occurrences in 2 dictionaries
Reference: By and by
Hastings
In AV 'by and by' means immediately, not as now after some time. Thus Lu 21:8 'the end is not by and by' (RV 'immediately').
immediately (Mt 13:21; R.V., "straightway;" Lu 21:9).
Yet it has no real root in him, but is temporary (inconstant, lasts but a little while); and when affliction or trouble or persecution comes on account of the Word, at once he is caused to stumble [he is repelled and begins to distrust and desert Him Whom he ought to trust and obey] and he falls away.
And when you hear of wars and insurrections (disturbances, disorder, and confusion), do not become alarmed and panic-stricken and terrified; for all this must take place first, but the end will not [come] immediately.
In AV 'by and by' means immediately, not as now after some time. Thus Lu 21:8 'the end is not by and by' (RV 'immediately').
And He said, Be on your guard and be careful that you are not led astray; for many will come in My name [ appropriating to themselves the name Messiah which belongs to Me], saying, I am He! and, The time is at hand! Do not go out after them.