Edited sentence: "from this time, as is the case with most religious traditions, there have been those within the Gelug who have interpreted their tradition 'inclusively', believing that their Gelug affiliation should in no way exclude the influence of other schools which constitute additional resources along the path of enlightenment.According to Kay.But his first successor, Khedrubje (mKhas grub rje) (1385-1483) became "quite active in enforcing a stricter orthodoxy, chasting... disciples for not upholding Tsongkhapa's pure tradition".He used to go to all the great lamas of his time from all the different Buddhist schools and received Buddhist teachings from them.Others have adopted a more 'exclusive' approach, considering that their Gelug identity should preclude the pursuit of other paths and that the 'purity' of the Gelug tradition must be defended and preserved.The founder of the Gelug school, Je Tsongkhapa (1357-1419), had an open, ecumenical and eclectic approach