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able.
such evidence to be absolutely reliable. A little reflection, however, will be sufficient to convince anyone that, really speaking, we are not wholly justified in having such attitude of mind as just referred to. For in this are involved grave questions of vital issues and far-reaching consequences in all forms of philosophical specu.
lation. If we remember aright, experidence not wholly reli- ence shows on many an occasion that the
evidences of the senses are not wholly and entirely reliable. We have not only illusions and dreams but some of us are colour blind even. Besides, there are many things in heaven and earth which escape our visionssense perceptions. There are many things which lie hidden from our view either by being too big or too small to come within the range of our direct perception. We have not seen the globe as a whole nor have we visualised the chemical atoms. Now if these be the things whose existence we never perceive but infer, how many--perhaps infinitely many—are there whose existences escape our notice and knowledge and thus keep clear for fresh inquiries and discoveries !
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