Quality begins in the orchard, not in the laboratory.

I have been a selfish being all my life, in practice, though not in principle.

人们都保有原本的视觉，天下就不会有毁坏；人们都保有原本的听觉，天下就没有忧患；人们都保有原本的智慧，天下就不会有迷惑；人们都保有原本的品德，天下就没有邪恶。