نِّعْمَةً مِّنْ عِندِنَا ۚ كَذَٰلِكَ نَجْزِى مَن شَكَرَ Qur’an Al-Qamar (54:35)NiAAmatan min AAindina kathalika najzee man shakara
"Giving thanks" to Allah in Quranic phrase is to obey Allah's Law, to do His Will, to practise righteousness, to use all gifts in His service.