Supple

Definitions: (1) an ability of the mind to be resilient and adaptable <especially to something new>; (2) soft and pliant; flexible; compliant; (3) limber; lithe

Quotes:
• The hard and stiff will be broken. The soft and supple will prevail. — Lao-tse (6th Century BC) Chinese mystic philosopher
• Like the very air and water that flows through our physical body to sustain it, love must flow through our heart to keep it supple, and to keep us truly alive. ― Jeffrey Ryan Anderson (1960-) American author