Allah tells us about the people of Paradise and the eternal delights they will experience, as well as the comprehensive favors that they will be given. Allah says,
مُّتَّكِئِينَ فِيهَا عَلَى الاٌّرَائِكِ
(Reclining therein on raised couches.) This has already been discussed in Surat As-Saffat and the difference of opinion about the meaning of reclining. Is it lying down, reclining on the elbows, sitting down cross-legged, or being firmly seated We have also mentioned that the Al-Ara'ik are couches beneath curtained canopies. Concerning Allah's statement,
قَوَا۩رِيْرَا۟ مِنْ فِضَّةٍ (vessels of silver...76:16). Silver vessels in this world are dense which can never be like glass, and that which is made of glass can never be silver. Thus silver and glass are two contradictory concepts in this world. However, it is a characteristic of Paradise that its glasses will be as bright as silver, and as transparent and sparkling as crystal.
Sayyidna Ibn ` Abbas said: The blessings given in Paradise have their likes in this world also, except these vessels that are made of silver, but as transparent as a mirror."
Tazkirul Quran
Maulana Wahiduddin KhanOn ayahs 16–21
Man has been created free in this world and then he has been shown two paths leading respectively towards a life of gratitude and a life of ingratitude. Now, it is for the concerned person to choose either of the two paths. For one who adopts the way of ingratitude, there will be the punishment of Hell in the Hereafter, and for one who adopts the way of gratitude, there will be the bounties of Paradise.
Uthmani text of the Madinah mushaf (King Fahd Complex). Translation: Saheeh International. Tafsir via Quran.com.