The term best is c. 1200, "that which is best," from best (adj.). From c. 1300 as "all that one can do;" 1570s as "highest possible state." From 1790 as "best clothes." At best "in the utmost degree" is from early 14c. For the best "tending to the best results" is from late 14c.
Strive to do your best in all circumstances. The best speech. The best results. The best dessert. The best poem. The best song. As long as you do your best then it is well done.
Absorbing egos, flowing with water bridges, absolving all wrongs