We cannot see even the mind and intelligence, so how can we see the soul? But the soul has his existence, his magnitude. And if
one has no understanding of the spirit soul, he is no better than an
animal, because he is identifying himself with his gross and subtle
bodies.
http://www.iskcondesiretree.net/profiles/blogs/scientific-proof-of-the-soul-1
http://www.iskcondesiretree.net/forum/topics/existence-of-souls