Learning is any change in a system that produces a more or less permanent change in its capacity for adapting to its environment.
唯一真正的财富是灵魂的财富。
The best way to predict the future is to invent it.
Resilience is built through challenges, not comfort.
The past is hidden somewhere outside the realm, beyond the reach of intellect, in some material object (in the sensation which that material object will give us) which we do not suspect.
Technology in forestry should serve sustainability, not just efficiency.