The
Three Signs of all Existence..

The Blessed Buddha
once pointed out: Sabbe Sankhāra Anicca!
All constructions are impermanent! When realizing that by understanding,
one gets
tired and disgusted with suffering... This is the path to purity!

Sabbe Sankhāra Dukkha!
All constructions are miserable! When realizing that by understanding,
one gets
troubled and disgusted with suffering...This is the path to purity!

Sabbe Dhammā Anatta!
All states are no-self! When realizing that by understanding,
one gets
exhausted with suffering... This is the path to purity!
Dhammapada 277-79

More
on these 3 Absolute Characteristics (Ti-Lakkhana):
The 3 Universal Characteristics,
The 3
Ultimate Facts,
Anything_Whatsoever

Source: BPS
Wheel no 54 (Edited
Excerpt):
The Mirror of the Dhamma. A Manual of
Buddhist
Devotional Texts.
By Nārada Thera and Bhikkhu Kassapa. Revised By Bhikkhu Khantipālo:
https://What-Buddha-Said.net/library/Wheels/wh_054.pdf