We can study until old age and still not finish

Similar sayings:

Do not add legs to the snake after you have finished drawing it Do not add legs to the snake after you have finished drawing it
Add legs to the snake after you have finished drawing it Add legs to the snake after you have finished drawing it
Those who do not study are only cattle dressed up in men’s clothes Those who do not study are only cattle dressed up in men’s clothes
A single conversation with a wise man is better than ten years of study A single conversation with a wise man is better than ten years of study
The woman who tells her age is either too young to have anything to lose or too old to have anything to gain The woman who tells her age is either too young to have anything to lose or too old to have anything to gain

Chinese sayings and proverbs