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See Leonard Nimoy's touching final tweet

By Jessica Derschowitz

Updated on: February 28, 2015 / 5:11 AM EST / CBS News

Leonard Nimoy, who portrayed more than 250 characters, and had his career defined by his 1966 debut as Mr. Spock on "Star Trek," has died

Leonard Nimoy, who played iconic Vulcan Mr. Spock, dead at 83 01:58

Days before his death, Leonard Nimoy reflected on life and memory in a message posted on his Twitter page.

The tweet, sent Feb. 23, seems even more poignant now in the wake of his death Friday at the age of 83.

A life is like a garden. Perfect moments can be had, but not preserved, except in memory. LLAP
— Leonard Nimoy (@TheRealNimoy) February 23, 2015

A day earlier, he sent another tweet featuring a work of poetry:

I will be sharing my poetry. Today's is, "You and I have Learned," which is in my book, These Words Are for You. LLAP pic.twitter.com/CsHAtmtDnz
— Leonard Nimoy (@TheRealNimoy) February 22, 2015

Nimoy, best known for playing Mr. Spock on "Star Trek," died from end-stage chronic obstructive pulmonary disease. His tweets were often signed "LLAP" for his character's famous phrase, "live long and prosper."

Go here for more on Nimoy's life and career.

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