The highlights of the theory developments presented at the Rencontres de
Moriond 2018 on QCD and High Energy Interactions are summarised and put into
perspective.Comment: 9 pages, contribution to the 53rd Rencontres de Moriond on QCD and
High Energy Interactions (Moriond QCD 2018), La Thuile, Italy, March 17-24,
2018. Version 2: references update