Ikhlas itu seperti surrah al'ikhlas.. Yang tidak ada kata-kata ikhlas didalamnyaa,melainkan kita jangan memamerkan keikhlasan itu,karena itu juga bisa dibilang riya..
Sincere it as surrah's al'ikhlas ...That there is no sincere words didalamnyaa, but we don't show off their sincerity, because it also arguably riya ...