Knowledge, teach. Wisdom, acquire. Understanding, share. Love, spread.

Meaning: Affection or personal attachment can make someone see what is theirs as especially admirable. The saying points to partial judgement without making a loved person or cherished work objectively inferior.

Meaning: Do not add burdens to someone already overwhelmed. Pouring more water onto a drowned mouse gives a stark image of effort that cannot help and may only worsen an already hopeless situation.

Meaning: Removing G from glass gives lass, and removing L from lass gives ass. The wordplay mocks a person who becomes foolish through romantic attachment, but the verbal trick does not prove its judgment about love.

Meaning: A measure can register one property without recognising the differences that matter for another judgement. Equal weight does not mean equal value; choose evidence suited to the question.