Try to learn something about everything and everything about something. Thomas Henry Huxley
Do not be ashamed to learn in adulthood: it is better to learn late than never. Aesop
Happy the man who has been able to learn the causes of things. Virgil
Even a thief takes ten years to learn his trade. Japanese Proverb
All things good to know are difficult to learn. Greek Proverb
It takes two days to learn everything about a man; to know animals you will need more time. Persian Proverb