This succinct statement encapsulates the profound impact that instinct plays in our decision-making processes and overall survival. Rooted deeply in our primal nature, instinct functions as an automatic, immediate response to our environment, guiding us often before rational thought can intervene. In the context of human behavior and even broader biological life, relying on instinct can sometimes mean the difference between life and death. From a psychological perspective, instincts are the internal compasses that steer us through complex emotional and physical landscapes.

In the modern world, where analytical thinking and data-driven decisions are celebrated, the quote reminds us not to underestimate the power of our innate impulses. While deliberate reasoning is indispensable, there are moments when swift action governed by instinct leads to more authentic and effective outcomes. For example, in creative endeavors or fast-paced situations, instinctual reactions often tap into a collective unconscious or experiential wisdom that transcends logical calculation.

Moreover, this quote, especially attributed to Bernard Cornwell's work in "The Pagan Lord," captures a thematic element central to tales of survival, conflict, and leadership. Characters in such narratives frequently depend on instinct to navigate uncertainty and danger. It also highlights the timeless truth that despite advances in technology and sophistication in thought, the core of human experience remains strongly tied to these instinctual drives.

Ultimately, "Instinct is everything" serves as a powerful reminder of the balance between instinct and intellect, advocating for trust in the sometimes unseen, deeply internal signals that shape who we are and how we interact with the world.