you can enjoy a grander sight by climbing to a greater height.
for the sake of learning， doubts go in.
shipbuilding in a thousand days and river crossing in one day.
the wooden ruler is short， but its energy is enormous.
knowledge， like candlelight， can illuminate one person and untless people.
think twice about everything， but more importantly than think twice， think twice and act aordingly.
the dishes are tasteless and salt-free， and the words are unreasonable and powerless.
people start from their hearts and trees start from their roots.
black hair does not know how to study early， white head regrets to study late.
a tree for monkeys and a mountain for tigers.