better angels

idiomatic plural plural-only

(idiomatic) Morally upright or otherwise positive attributes of human character.

Japanese Meaning

（人間が本来持つ）道徳的な高邁さ、理想的な精神性、または肯定的な人間性の側面

When tensions rose at the meeting, she appealed to her colleagues' better angels and asked for calm.

会議で緊張が高まったとき、彼女は同僚の高潔な本性に訴え、冷静さを求めた。

Sense（1）

(idiomatic) Morally upright or otherwise positive attributes of human character.