There is the love of knowing without the love of learning; the beclouding here leads to dissipation of mind.
If you think in terms of a year, plant a seed; if in terms of ten years, plant trees; if in terms of 100 years, teach the people.
When strict with oneself, one rarely fails.
Good people strengthen themselves ceaselessly
He who merely knows right principles is not equal to him who loves them.
You will never know how sharp a sword is unless it's drawn from its sheath