One verse

Srimad Bhagavatam 10.8.35

10.8.35

नाहं भक्षितवानम्ब सर्वे मिथ्याभिशंसिन: । यदि सत्यगिरस्तर्हि समक्षं पश्य मे मुखम् ॥ ३५ ॥

nāhaṁ bhakṣitavān amba sarve mithyābhiśaṁsinaḥ yadi satya-giras tarhi samakṣaṁ paśya me mukham

na
not
aham
I
bhakṣitavān
have eaten dirt
amba
My dear mother
sarve
all of them
mithya-abhiśaṁsinaḥ
all liars, simply complaining against Me so that you may chastise Me
yadi
if it is actually a fact
satya-giraḥ
that they have spoken the truth
tarhi
then
samakṣam
directly
paśya
see
me
My
mukham
mouth

Lord Śrī Kṛṣṇa replied: My dear mother, I have never eaten dirt. All My friends complaining against Me are liars. If you think they are being truthful, you can directly look into My mouth and examine it.