Unreflecting

Habit rules the unreflecting herd.

Source: tatoeba (868212)

Now what Discourse can be more suited to the Principles of these young Cubs of the Leviathan, than not to punish credulous and unreflecting People for being cheated and abused?

Source: wiktionary

When culprit reason truant plays, And wanders forth in fancy’s maze, Thy random shafts may please a-while, And raise the unreflecting smile, But soon as absent sense returns, Our cheek with indignation burns,

Source: wiktionary

If there are people so unreflecting or so cruel, as to make a jest of me, what is left for me to do but to make a jest of myself, them, and every thing?

Source: wiktionary