Tasawwuf Simplified (Haasil e Tasawwuf) – Hazrat Thanvi R.A
“In short, Tasawwuf (Sufism) comes down to this, overcoming the laziness in doing virtuous acts (ta’aat) and getting them done, and overcoming the desire to commit sinful acts (gunah) and abstaining from that sin. Whoever attains this condition does not need anything more since this is the very condition that creates a bond with Allah (SWT) (Talluq Ma’Allah), protects this bond and strengthens it”