know one's own heart/mind

:  to perceive directly :  have direct cognition of

:  to have understanding of

:  to recognize the nature of :  discern

:  knowledge

: used to express immediate or direct kinship

:  to have or hold as property :  possess

:  to have power or mastery over

:  to acknowledge to be true, valid, or as claimed :  admit

:  a hollow muscular organ of vertebrate animals that by its rhythmic contraction acts as a force pump maintaining the circulation of the blood

:  a structure in an invertebrate animal functionally analogous to the vertebrate heart

:  breast, bosom

:  love

:  hearten

:  to fix in the heart

:  recollection, memory

:  the element or complex (see ¹complex 1) of elements in an individual that feels, perceives, thinks, wills, and especially reasons

:  the conscious mental events and capabilities in an organism

:  remind

:  remember

:  to attend to closely