It seems (at indeed first sight) that existence is impossible without these (feelings). But as cold is characterised by an absence of heat and heat cold,
एवमेतन्मतं सर्प ताभ्यां हीनं न विद्यते। यथा शीतोष्णयोर्मध्ये भवेन्नोष्णं न शीतता॥