After their physical death,

Gate entrance to the Monument Gardens

It is clear and evident that all men shall, after their physical death, estimate the worth of their deeds, and realize all that their hands have wrought. I swear by the Day Star that shineth above the horizon of Divine power! They that are the followers of the one true God shall, the moment they depart out of this life, experience such joy and gladness as would be impossible to describe, while they that live in error shall be seized with such fear and trembling, and shall be filled with such consternation, as nothing can exceed. Well is it with him that hath quaffed the choice and incorruptible wine of faith through the gracious favor and the manifold bounties of Him Who is the Lord of all Faiths….
Our purpose is to show that should the loved ones of God sanctify their hearts and their ears from the vain sayings that were uttered aforetime, and turn with their inmost souls to Him Who is the Day Spring of His Revelation, and to whatsoever things He hath manifested, such behavior would be regarded as highly meritorious in the sight of God….

Gleanings From the Writings of Bahá’u’lláh P.172