“I am who I am today because of the choices I made yesterday.”
Not by Roosevelt, but from Steven Covey's Seven Habits of Highly Effective People (1989).
Misattributed
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Eleanor Roosevelt 148
American politician, diplomat, and activist, and First Lady… 1884–1962Related quotes
“I am in yesterday, today. And tomorrow? In tomorrow I was.”
Estoy en el ayer, en el hoy. ¿Y en mañana? En el mañana estuve.
Voces (1943)

“I am not afraid of tomorrow
for I have seen yesterday
and I love today”

“Yesterday I was clever, so I wanted to change the World. Today I am wise, so I am changing myself.”
https://twitter.com/wise_chimp/status/1488946174321205253?s=21

During his interview at Larry King Live, (16 May 2000). Available Transcript at CNN.com: President Nelson Mandela One-on-One http://transcripts.cnn.com/TRANSCRIPTS/0005/16/lkl.00.html
2000s

“I will not be a slave to my yesterday. I am creator, not a parrot.”
Letter quoted in The West Going Heart (1959) by Eleonor Ruggles