Those attending the graduation ceremony at Johns Hopkins University in Baltimore are still buzzing about a surprise speaker. Ukrainian President Volodymyr Zelensky [[ VLO-doe-meer ze-LEN-skee ]] addressed the class of 2023 Thursday morning via livestream. A focal point of Zelensky’s speech was “time,” saying it is “our most precious resource.” He urged the graduates to figure out how they are going to use the time they’ve been given.