'Time is the fire in which we burn': 2 major cast losses rock the passionate 'Star Trek' universe

One of the countless memorable lines that have tumbled out of the “Star Trek” universe over the years is this gem, originally from a 20th-century poet named Delmore Schwartz: “Time is the fire in which we burn.”It was uttered as an existential warning to Capt. Jean-Luc Picard in the 1994 film “Star Trek Generations.” But it feels equally apt this week after a one-two punch of loss that is hitting hard for devotees of the epic, six-decade science fiction saga.First, on Sunday, Walter Koenig, who played Ensign Pavel Chekov in the original series during the 1960s, died at age 90. Then, on Thursday, the cosmos lost Patrick Stewart, a Shakespearean actor who in 1987 began to inhabit Picard, the poetic face of that show's sequel, “Star Trek: The Next Generation,” and decades later the anchor of the darker streaming drama “Star Trek: Picard.”For a fan base that has long signed on as acolytes of a brighter, more equitable future, recent days have given the present an unwelcome sting.“What a he