Thinking is more interesting than knowing, but less interesting than looking.
- Goethe

Once at Cold Mountain, troubles cease
No more tangled, hung-up mind;
I idly scribble poems on the rock cliff
Taking whatever comes, like a drifting boat.
- Han Shan

Picture a massless particle.
- Koan of Modern Physics

Lift the stone and you will find me; cleave the wood and I am there.
- Jesus

Life is what happens to you while you're busy making other plans.
- John Lennon

One sees great things from the valley, only small things from the peak.
- G K Chesterton

Do not fear mistakes- there are none.
- Miles Davis