The eye which is scarce two inches long can see millions of miles into space, but is incapable of seeing itself ! Man too is as shrewd and as weak as the eye.
He can analyze others' motives, count others' faults and map out others' skills and capacities, but he is powerless to analyze himself, his feelings and his emotions. Unwilling to discover his own faults, he cannot assess his innate skill and realize his inner reality !
But the power can be acquired if you keep company with Sadhakas (aspirants for spiritual progress), not otherwise. -BABA