«Less is more» in
bodybuilding means that you don't have
train until you're near - unconscious to make great gains, performing 20 different exercises for one body part won't give you better results than opting for a wise selection of 5 and focusing on doing them with the proper form, weight and rep range,
training twice every day won't make you grow faster but it will set you back instead and....
As incredible as it may seem for some experienced trainees who've been brainwashed by the mainstream, commercial
bodybuilding bullshit,
training with one «hard» set per body part
twice per week can be quite effective for genetically typical trainees.