To be capable of steady friendship or lasting love, are the two greatest proofs, not only of goodness of heart, but of strength of mind.

In this quote, William Hazlitt asserts that the ability to maintain steady friendship and lasting love are the ultimate indicators of both a goodness of heart and a strength of mind. He suggests that both friendship and love require a deep emotional commitment, resilience, and consistency over time. These qualities, according to Hazlitt, demonstrate not just emotional capacity but also mental strength, as true, enduring relationships demand patience, understanding, and the ability to navigate through challenges.

Hazlitt's statement highlights the idea that the strength of mind is not only about intellect or logic but also about emotional intelligence. To sustain friendship and love over time, one must possess the mental fortitude to deal with the complexities and challenges that naturally arise in any close relationship. Friendship and love, in Hazlitt's view, are not fleeting feelings but require the stability and endurance of someone who is emotionally and mentally strong.

The origin of this perspective comes from Hazlitt's broader philosophical and literary explorations of human nature. As a prominent essayist and critic in the early 19th century, Hazlitt often wrote about the complexities of human emotions and relationships. His view that steadfast relationships are indicative of both emotional and mental strength reflects his belief in the depth of character required for meaningful connections.

Ultimately, Hazlitt’s quote emphasizes that true friendship and love are not just about passion or fleeting affection but are instead grounded in strength—both emotional and intellectual. The ability to maintain these bonds over time speaks to a person’s inner strength, demonstrating their ability to commit, persevere, and nurture meaningful relationships, which are the ultimate proof of their character.