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LOS ANGELES — Leonard Nimoy’s last tweet before he died was very poignant.

On Feb. 22, the actor and director best known as Mr. Spock tweeted, “A life is like a garden. Perfect moments can be had, but not preserved, except in memory.  LLAP”

Nimoy signed all his tweets “LLAP” or “Live Long and Prosper,” his character’s catchphrase from the “Star Trek” series and films.

Nimoy died Friday. He was 83 years old.

Read his full obituary here.