Always an unconventional artist, Liu feels that expressing one's imagination is more important than being exact in terms of realism, shading and use of space.
我一直認為繪畫的準確性、明暗、空間和透視感不大重要，最要緊的是訓練想像力。多方面的美學的知識，以及開拓更寬廣的生活領域，可以豐富創作的內涵與增益想像力。」