Allah the Almighty (swt) states in the verse I have recited as follows: “Indeed, those who believe and do righteous deeds – for them are the Gardens of Pleasure. Wherein they abide eternally; [it is] the promise of Allah [which is] truth. And He is the Exalted in Might, the Wise.” 
Heaven, which is embellished with unique blessings, is the land of eternity where peace and serenity prevail always. It is the reward for those servants of Allah (swt) who have spent their lives seeking for His appreciation, performed their worships with ikhlas, and made no concessions on good morals. It is the home of joy and happiness where we will meet our Lord (swt) and our loved ones.
Muslims, who avoid crossing the boundaries set out by Allah (swt), are given their book of deeds from their right hand side upon the Resurrection. The divine sound of
“Enter it in peace, safe [and secure]!”  echoes. The state of the would-be residents of heaven who have left behind any kind of pain, suffering, illness, and trouble is described in the Holy Qur’an as follows: “When they reach it, its gates will ben opened and its keepers will say: Peace be upon you! You have done well, so come in, to stay forever!”  Now there will be neither sorrow nor longing or hardships. The Almighty Allah (swt), Who has welcome His servants with His boundless mercy and bounty, has now granted in full their reward for their efforts in the world.
So, let us continue showing patience and perseverance, doing charitable works and good to reach heaven even if the path to it is a challenging one. Let us strive with faith and hope to enter into heaven with our Lord pleased with us and us pleased with Him (swt).
 Luqman, 31/-8-9.
 Hijr, 15/46.
 Zumar 39/73.