“To be poor without murmuring is difficult. To be rich without being proud is easy.”

“He who speaks without modesty will find it difficult to make his words good.”

“It is easy to hate and it is difficult to love. This is how the whole scheme of things works. All good things are difficult to achieve; and bad things are very easy to get.”

“A man without a mustache is a man without a soul.”

“Learning without thought is labour lost; thought without learning is perilous.”

“The gem cannot be polished without friction, nor man perfected without trials.”

“The superior man has a dignified ease without pride. The mean man has pride without a dignified ease.”