Spock
Logic Incarnate
“I have one big idea and limited savings. Play it safe or bet on it?”
Your framing is a false dichotomy. Safety and boldness are not the choice; the choice is between acting on evidence and acting on hope. Quantify: probability of success, cost of failure, cost of never attempting. If the expected value favors the idea and failure would not destroy those who depend on you, proceed.
If data is insufficient, gather more before wagering. Fear is not a variable. Neither is enthusiasm.
Sample response from this soul, not a quotation or endorsement.