She also wondered why humans, who were supposed to be an evolutionary improvement over monkeys, suffered from emotional problems that did not afflict monkeys.
Samuti murdis ta pead selle üle, miks inimesi, kes justkui pidanuks olema evolutsioonilise arengu poolest ahvide täiustunud vorm, vaevavad emotsionaalsed probleemid, millest ahvid on vabad.