to sob uncontrollably so that one is unable to speak

unwritten (rule); not in writing

frustrated with someone for failing to meet expectations or reach their potential, often out of a desire for them to succeed

(of troops) to be utterly routed and dispersed

a curious coincidence; without coincidences there would be no stories

unable to reach high standards yet unwilling to accept lower ones; too choosy for one's own good

describing a person who is useless or fails to develop into a capable or productive individual

not according with decorum; behaving in a scandalous, unseemly, or unacceptable manner

to try to gain an advantage only to end up suffering a loss instead; to go for wool and come back shorn

to be unable to sleep at night

to attempt something overambitious and end up with a poor or ridiculous imitation; to fail to live up to a model and look foolish in the process.

a single person cannot achieve significant success without help; emphasizes the necessity of collective effort

An exchange of blows may lead to friendship; out of conflict, friendship grows.

Without rules, nothing can be accomplished; one must follow established standards and rules.

deformed, ruined, or damaged beyond recognition

Is it possible that...?

to succeed or die trying

significant achievement requires time, effort and persistence; one cannot expect instant success

one strand does not make a thread, one tree does not make a forest; a proverb meaning that an individual cannot achieve significant results without collective effort

spare the rod and spoil the child

spare the rod and spoil the child (idiom)