Had an infant with dwarfism like Tyrion been born a commoner, he'd have been left in the woods to die luckily, his birthright as a Lannister afforded him significant wealth and power. Tyrion is mocked for being a dwarf, called derisive names such as 'Imp' and 'Halfman', which he tries to embrace to keep his self esteem up. Tyrion's mother, Joanna Lannister, died giving birth to him, a tragedy which Tywin and Cersei unfairly blame Tyrion for. But neither gods nor men will ever compel me to let you turn Casterly Rock into your whorehouse.' ― Tywin's response when Tyrion asks for Casterly Rock And to teach me humility, the gods have condemned me to watch you waddle about wearing that proud lion that was my father's sigil and his father's before him.
Men's laws give you the right to bear my name and display my colors since I cannot prove that you are not mine.
' You are an ill-made, spiteful little creature full of envy, lust, and low cunning.