Research Shows These Four Things Will Make You a Peak Performer | TIME
Eric Barker stashed this in Diabolical Plans For World Domination
2) Don’t be passive.
Testing yourself is far better than just reviewing.
Good decision making is about compressing the informational load by decoding the meaning of patterns derived from experience. This cannot be taught in a classroom; it is not something you are born with; it must be lived and learned.
Also: Practice is not just repetition.
Be ruthlessly critical and keep trying to improve on the constituent elements of the skill.