Do not let your nervous system feel sudden excessive burden of acquiring knowledge in short span of time.
Move slowly if you are learning a new technique, reading a new book or learning a new discipline.
Do not blame yourself that you are not competitive enough.
Never let yourself under stress of learning or doing
Try to learn or do all the things completely and slowly.
Never put yourself under peer pressure.
Never press your intellect to act at a pace that you see in others.
Each one of you is unique individual having his/her own pace of learning. While trying to learn things fast you may omit certain very fundamental aspects.