The day came when the risk to remain tight in a bud was more painful than the risk it took to blossom.
Source, in full
Frequently attributed to Nin, but without cited source in her work, possibly due to a quotation in Living on Purpose: Straight Answers to Universal Questions (2000) by Dan Millman, which attributed the statement to Nin without a cited source.
Notes from Wikiquote
In March 2013, a former Director of Public Relations at John F. Kennedy University in Orinda, Elizabeth Appell, claimed she had authored the quote in 1979 for an inspirational header on a class schedule.