indicates the importance of persistence in the pursuit of success.

Only those who are faultless have the right to pass judgment upon others (implying that no one is faultless and that, therefore, no one has such a right to pass judgment).

Alternative form of let him who is without sin cast the first stone

When finding oneself in a troubling situation, one should first make sure one is not making the situation worse by his own actions before addressing all other causes.

Synonym of if you find yourself in a hole, the first thing to do is stop digging

A member of a first string.

plural of firststringer

Alternative form of Firstspace

Space as it is directly perceived by the senses.