Berkeley : Rejection of Distinction Between Primary and Secondary Qualities : According to Locke qualities are powers of substance,which produce ideas in our mind.Matter is the substratum of qualities.According to Locke there are two types of qualities – Primary and Secondary.Primary qualities are real and inseparable qualities of matter while secondary qualities are powers produced by our minds by primary qualities.These secondary qualities are merely sensations of our mind while qualities like figure , extension ,solidity e.t.c. exist in matter itself.Qualities like taste,touch,beauty and sound e.t.c. are secondary qualities.So,our knowledge is limited to our ideas only.Soul acts on them.Arranges,separates,divides,unites and relates.On this basis of our knowledge of qualities we assume external existence of matter as substance.The real point of objection for Berkeley is this matter as substance. Berkeley says that the real cause of atheism,irreligion,skepticism is this conce...