Rebus secundis etiam egregios duces insolescere=--In the hour of prosperity even the best generals are apt to be haughty and insolent.
Secundis dubiisque rectus=--Upright, whether in 15 prosperous or in critical circumstances.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "secundis" in a variety of sentences. We hope that you will now be able to make sentences using this word.