"The heart is deceitful above all things, and desperately wicked: who can know it?" - BIBLE, Jeremiah 17:9

"Where your treasure is, there will your heart be also." - BIBLE, Matthew 6:21

"Seeing's believing, but feeling's the truth." - THOMAS FULLER, Gnomologia

"All the knowledge I possess everyone else can acquire, but my heart is all my own." - JOHANN WOLFGANG VON GOETHE, The Sorrows of Young Werther

"There are moments in life, when the heart is so full of emotion
That if by chance it be shaken, or into its depths like a pebble
Drops some careless word, it overflows, and its secret,
Spilt on the ground like water, can never be gathered together."
- HENRY WADSWORTH LONGFELLOW, The Courtship of Miles Standish

"Pity me that the heart is slow to learn
What the swift mind beholds at every turn."
- EDNA ST. VINCENT MILLAY, Pity me not because the light of day

"The heart has its reasons which reason knows nothing of." - BLAISE PASCAL, Pensées

"The heart is a small thing, but desireth great matters. It is not sufficient for a kite's dinner, yet the whole world is not sufficient for it." - FRANCIS QUARLES, Emblems

"My heart is a lonely hunter that hunts on a lonely hill." - WILLIAM SHARP, The Lonely Hunter

"In matters of the heart, nothing is true except the improbable." - MADAME DE STA, letter (1810)

"Now that my ladder's gone
I must lie down where all the ladders start
In the foul rag and bone shop of the heart."
- W.B. YEATS, The Circus Animals' Desertion