Quote
"Oh! too convincing—dangerously dear— In womans eye the unanswerable tear! That weapon of her weakness she can wield, To save, subdue—at once her spear and shield."
"The big round tears run down his dappled face; He groans in anguish."

Tears are a transparent fluid secreted primarily by the lacrimal glands found in the eyes of all land mammals. According to the mode of production, tears are classified into four types: basal, closed eye, emotional, and reflex. The basal rate of tear secretion is ~0.5–2.2 μL/min, and irritation can increase secretion by up to ~100-fold, reaching ~300 μL/min. Tears are made up of water, electrolyte
"Oh! too convincing—dangerously dear— In womans eye the unanswerable tear! That weapon of her weakness she can wield, To save, subdue—at once her spear and shield."
"What precious drops are those, Which silently each others track pursue, Bright as young diamonds in their infant dew?"
"The glorious Angel, who was keeping The gates of Light, beheld her weeping; And, as he nearer drew and listend To her sad song, a tear-drop glistend Within his eyelids, like the spray From Edens fountain, where it lies On the blue flowr, which—Bramins say— Blooms nowhere but in Paradise."
"Two aged men, that had been foes for life, Met by a grave, and wept—and in those tears They washed away the memory of their strife; Then wept again the loss of all those years."
"Why wilt thou ever scare me with thy tears, And make me tremble lest a saying learnt, In days far-off, on that dark earth, be true? The gods themselves cannot recall their gifts."
"What I should say My tears gainsay; for every word I speak, Ye see, I drink the water of mine eyes."