Lojong (Tibetan: བློ་སྦྱོང་, Wylie: blo sbyong, 'mind training') is a contemplative practice in the Tibetan Buddhist tradition which makes use of various lists of aphorisms or slogans which are used for contemplative practice. The practice involves refining and purifying one's motivations and attitudes. There are various sets of lojong aphorisms; the most widespread text in the Sarma traditions is that of Chekawa Yeshe Dorje (12th century). There is also another set of eight lojong slogans by Langri Tangpa. In the Nyingma tradition, there is a list of seven lojong slogans which are part of the Dzogchen Nyingthig lineage.