6 levels/ 3 stages/ 2 sides of mental skill development 【内心修养的六个层次、三个阶段、两个方面】

6 levels/3 stages/2 sides of mental skill development【内心修养的六个层次/三个阶段/2个方面】

level 1: get rid of monkey mind and attain stillness of mind【止的层次】

level 2: upgrading from stillness and attain steadiness of mind【定的层次】

level 3: upgrading from steadiness and attain quietness of mind【静的层次】

level 4: upgrading from quietness and attain peace of mind【安的层次】

level 5: performing deep thinking with peace of mind【虑的层次】

level 6: achieving breakthrough in thinking and attain Samadhi【得的层次】【三摩提境界】

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3 stages 【3 阶段】
stage 1: level 1 and 2 【第一阶段：止定】 
stage 2: level 3 and 4【第二阶段：静安】
stage 3: level 5 and 6 【第三阶段：虑得】

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2 sides 【2 方面】
one side: level 123【止定静的一面；止的功夫】
another side: level 456【安虑得的一面；观的功夫】