Do you know any good aphorisms or quotes about.....?

Question

having a grudge for someone but not letting it get in the way of your success

Answer 1

Mistrust is the only defence against betrayal.

Both your friend and your enemy think you will never die.

Irish Proverb

Do not rejoice at my grief, for when mine is old, yours will be new.

Spanish Proverb

Answer 2

"When a man but half forgives his enemy, it is like leaving a bag of rusty nails to interpose between them."--Hugh Latimer

"Too many people believe that forgiveness means forgetting the past for the present."--Unknown

"The sweet revenge is to forgive."--Israel of Rizhyn