Definitions: (1) necessary to existence, continuance, or well-being; indispensable; essential; critically important; (2) energetic, lively, or forceful

• One looks back with appreciation to the brilliant teachers, but with gratitude to those who touched our human feelings. The curriculum is so much necessary raw material, but warmth is the vital element for the growing plant and for the soul of the child. — Carl Gustav Jung (1875-1961) Swiss psychiatrist
• When we know that we actually do live in uncertainty, then we ought to admit it; it is of great value to realize that we do not know the answers to different questions. This attitude of mind – this attitude of uncertainty – is vital to the scientist, and it is this attitude of mind which the student must first acquire. — Richard Phillips Feynman (1918–1988) American theoretical physicist

Colors: orange, red

Symbol: blood