His spiritualism was in the philosophy
of love, which he shared with all the Sufis. The depth
of humanity in his poetry comes from the "Divine love–which
is infinite and covers the entire cosmos."
In the Masnavi, Khusro expresses
in general the life of heat, which burns like a candle
in love of beauty "What is the life of a heart? It lies
in its burning with the passion of love and sorrows. If
a lamp ceases to burn or does not burn at all it is called
a dead lamp. A heart which is captivated by a beautiful
face, however hard may be, it will grow soft or melt like
wax. Like most of the Sufis of his time, he opined the
origin of man. The spirit of man was from God’s spirit
and man was moulded in the nature of God with regard to
his potential or ideal development. In a "Qaseedah", Khusro
exhorts man to "swim across the ocean of firmament from
end to end like the sun, and not to behave like the particles
of dust dancing in the wind."