20 If development calls for an ever-growing number of technical experts, even more necessary still is the deep thought and reflection of wise men in search of a new humanism, one which will enable our contemporaries to enjoy the higher values of love and friendship, of prayer and contemplation, (17) and thus find themselves. This is what will guarantee man's authentic development—his transition from less than human conditions to truly human ones.
Source: Populorum Progressio (Vatican.va)