All men strive and hope for nothing other than eternal life in their human nature. For this they instituted purgations of souls and sacred rites, in … - Nicholas of Cusa

For a persistent and continued ascent to [the Principle and Source of] life is the constituent element of increased happiness.

Life, as it exists on Earth in the form of men, animals and plants, is to be found, let us suppose in a high form in the solar and stellar regions. Rather than think that so many stars and parts of the heavens are uninhabited and that this earth of ours alone is peopled – and that with beings perhaps of an inferior type – we will suppose that in every region there are inhabitants, differing in nature by rank and all owing their origin to God, who is the center and circumference of all stellar regions

You know, Lord, that a great multitude cannot exist without much diversity and that almost all are compelled to lead a laborious life full of troubles and afflictions, and in servile subjugation must be subject to the kings who rule. Hence it has occurred, that only a few men have enough leisure time to employ the freedom of their will and to gain knowledge of themselves. They are distracted by many corporeal cares and duties. Thus they cannot seek You, who are the concealed God.