Maybe you are thinking of Tempus fugit (time flies).
More life
Vita.
fleeting luck is when you seem to be lucky in something for a short (fleeting) time. for example if you had the winning hand during a card game for 3 consecutive times out of 5, one might say their luck was fleeting, there for a short time and then gone.
One in Latin is "unus"
Live the life you have imagined
To say don't take life too seriously no one gets out alive in Latin you would say, Nemo discit vivere, non quidem serio. This phrase is a reminder to relax and not make everything into a bigger ordeal than it has to be.
pro vitam
Angelus vitae
To say bye in Latin you say "Vale" when you are saying bye to one person. To say bye to mare then one person you say "Valete"
Black is nigrum in latin.
Yes, it is correct to say that life is short in the context of the vastness of time and the limited duration of our existence. This statement highlights the importance of making the most of our time and the fleeting nature of our lives.
unum