Reading guide
Preparing the physical disk
The chapter opens with practical instructions for making an earth kasina: a patch of a suitable, evenly colored clay smoothed onto a portable disk or a prepared patch of ground, set up where it can be viewed steadily and without strain. The emphasis throughout is practical — an uneven surface or an inconsistent color is treated as a real obstacle to the stages that follow, not a minor detail.
From the object itself to a preliminary sign
Sitting before the disk with eyes alternately open and closed, a practitioner works until the image can be recalled with the eyes shut just as clearly as with them open. Buddhaghosa calls this recalled image the preliminary sign, the first of three progressively refined mental images the chapter tracks.
The learning sign and the counterpart sign
With further practice, the preliminary sign gives way to a learning sign — a mental image reproducible without looking at the disk at all, though it still carries the physical object's particular flaws and features. Beyond that lies a third image, the counterpart sign: a purified, idealized version of the disk, free of its physical irregularities, and it is this third sign that concentration proper is built on.
Suppressing the five hindrances
As the counterpart sign stabilizes, the chapter describes five obstacles receding in tandem: sensual desire, ill will, dullness and drowsiness, restlessness and worry, and doubt. Their withdrawal is treated as both a sign of progress and a condition for it — concentration and the hindrances are described as mutually exclusive in the mind at any given moment.
Five factors of absorption
In their place, the chapter identifies five qualities that come to characterize the deepening state: applied thought directed at the sign, sustained thought that stays with it, a rapture that accompanies success, a settled happiness, and a one-pointedness of mind. Each is treated as opposing one or more of the five hindrances, so that their presence and the hindrances' absence are two descriptions of the same shift.
The absorption the earth kasina can reach
Worked through fully, the chapter treats the earth kasina as capable of producing full absorption (jhāna), with the five factors dropping away in stages as concentration deepens further — a progression the chapter describes here for the first time and assumes as known background from this point on.
A template for the rest of Part II
Because the sequence of signs, the role of the five hindrances, and the five jhāna factors apply well beyond this one device, later chapters on the remaining kasinas and many further subjects refer back to this chapter's account rather than restating it in full.
What follows
Chapter 5 covers the nine remaining kasinas — water, fire, air, and several colors, among others — more briefly, as variations on the method this chapter has already laid out in detail.
Key terms
Self-check quiz
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