意识范围 meaning in English

dimension of consciousness

In studying the history of the human mind one is impressed again and again by the fact that the growth of the mind is the widening of the range of consciousness , and that each step forward has been a most painful and laborious achievement
在对人类心理史的研究中，这一事实给人以深刻印象：心智的成长就是意识范围的扩展，前进的每一步都是伴随着极度痛苦和艰难的成就。