Actually so, invariable, & not otherwise!
once said this:
Bhikkhus, there are these four things, that are actually so, invariable,
not otherwise... What four?
Suffering is actually so, invariable, not otherwise...
The Cause of Suffering is actually so, invariable, not
The Ending of Suffering is actually so, invariable, and not
The Way to End all Suffering is actually so, invariable, not
4 Noble Truths are actually & exactly so, invariable, & not otherwise...
Therefore, Bhikkhus, an effort should be
dedicated now to really understand:
is Suffering! An effort should be
made much of to truly comprehend:
Craving is the Cause of Suffering! An
effort should be cultivated to realize:
No Craving is the End of Suffering! Effort should be made to break
reinforce, and develop:
This Noble 8-fold Way, which ceases all Suffering...
More on these
4 Noble Truths (Cattari Ariya Saccani):
Source (edited extract):
The Grouped Sayings of the Buddha.
Samyutta Nikāya. [V:430-1]
section 56: Saccasamyutta. Thread 19: Actually So...