1) Shakespeare examines the concept of true love in Sonnet 116 through the voice of the poem. The voice argues that true love is unwavering and unchanged by outside influences or even the removal of the loved one.
2) The voice compares true love to a star that guides lost souls and something with heavenly qualities that cannot be measured.
3) True love is also presented as evading the constraints of time, being eternal unlike humanity which is subject to decay over time.
4) Shakespeare reinforces the validity of his perspective on true love in the final lines by stating that if any of his words are wrong, it means he has never written anything and no man has ever experienced love.