Shaikh Shah Wasiullah Allahabadi (Allah have mercy on him) quotes many predecessor masters of the path (of Tasawwuf). In conclusion he writes,

‘It is evident from these quotes that the goals of these masters were reformation of the lower-self (islah e nafs), performance of the commandments of Shariah with sincerity and abstention from the prohibited.’

Tarbiyet us Salik, The Introduction, volume 1, page