What is the sound of one hand?
At the bottom of great doubt lies great awakening. If you doubt fully, you will awaken fully.
Underlying great doubt there is great satori, where there is thorough questioning there will be thoroughgoing experience of awakening.
Nirvana is right here, before our eyes.
Not knowing how near the truth is, we seek it far away.
Contemplation within activity is a million times better than contemplation within stillness.