Who said "Imagination is the only limit in space."?

This quote is attributed to Ryland Grace.

Imagination is the only limit in space. - Ryland Grace

"Imagination is the only limit in space."

Ryland Grace Imagination

Character in Project Hail Mary

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"I'm not stranded. I'm home."

"Science rules."

"Sometimes the only way out is through."

"I have to stay alive. That's the mission."

"Imagination is more powerful than knowledge."

"The world is full of wonders if you know where to look."

"You have the imagination of a child, Lucy"

"The world is full of mysteries waiting to be solved."