Contraction of you have.

Used when somebody sees the funny side to a tough situation, to remind not to take things so seriously.

In order to win, or succeed at something, one must first compete or try.

(informal) A positive or strong trait or attribute should be displayed with pride and used to one's advantage.

(colloquial) Said to express anger or frustration / (colloquial) Said to express disbelief or shock

Don't criticise something before having experienced it.

In order to achieve something, some sacrifices or mistakes are inevitable.

People tend to take things for granted while they are available.

Alternative form of if all you have is a hammer, everything looks like a nail

(nonstandard) you have not