Not knowing how near the truth is, we seek it far away.
All beings are by nature are Buddhas, as ice by nature is water. Apart from water there is no ice; apart from beings, no Buddhas.
Meditation in action is endlessly more important than meditation in stillness.
At the bottom of great doubt lies great awakening. If you doubt fully, you will awaken fully.
What is the sound of one hand?
Underlying great doubt there is great satori, where there is thorough questioning there will be thoroughgoing experience of awakening.