People who don't see their nature and imagine they can practice thoughtlessness all the time are lairs and fools.

To find a Buddha all you have to do is see your nature.

Once you see your nature, sex is basically immaterial.

To enter by reason means to realize the essence through instruction and to believe that all living things share the same true nature, which isn't apparent because it's shrouded by sensation and delusion.

Your nature is the Buddha.