Rita Levi-Montalcini quotes and aphorisms Rita Levi-Montalcini Rita Levi-Montalcini Rita Levi-Montalcini Rita Levi-Montalcini Rita Levi-Montalcini ,, It is imperfection - not perfection - that is the end result of the program written into that formi... Rita Levi-Montalcini Rita Levi-Montalcini Rita Levi-Montalcini Rita Levi-Montalcini Rita Levi-Montalcini