Opportunities will not wait; action should be undertaken without delay.

A proverbial expression of personal privacy and security.

(idiomatic, euphemistic) Used in place of a real explanation when excusing oneself for a short period of time, particularly to use a toilet.

(idiomatic, dated) Used in place of a real explanation when excusing oneself for a short period of time, particularly (euphemistic) to use the toilet or (historical) drink alcohol.

Things don't always work out as they were planned.

Everyone can be bribed or corrupted for a certain price.

(archaic, politics) Qing Empire / Empire of China / China

(an expression of) the doctrine that all knowledge is subjective, being derived from observations made by humans, and there can be no objective truth

Alternative form of time and tide wait for no man

Things don't always work out as they were planned.