Mark 4:33
And He spoke "the word" to them [i.e., the crowds] with as many such parables as they were able to receive.
Romans 15:1
Now those of us who are strong [spiritually] should put up with [or, help] the failings of [spiritually] weak people, and not [simply] do what pleases ourselves.
1 Corinthians 3:2
For I fed you with milk, not with solid food [i.e., with basic fundamentals instead of more advanced teaching. See Heb. 5:12-13] because you were not able to absorb it,
1 Corinthians 9:19-22
For although I am free from [being accountable to] all people, I placed myself under obligation to them [as a slave], so as to win as many as possible [to Christ].