This is what I use, of course in my language - Norwegian:
unit MainModule;
interface
...
const
SNewMsgDlgWarning: PChar = 'Advarsel';
SNewMsgDlgError: PChar = 'Feil';
SNewMsgDlgInformation: PChar = 'Informasjon';
SNewMsgDlgConfirm: PChar = 'Vennligst Bekreft';
SNewMsgDlgYes: PChar = 'Ja';
SNewMsgDlgNo: PChar = 'Nei';
SNewMsgDlgOK: PChar = 'OK';
SNewMsgDlgCancel: PChar = 'Avbryt';
SNewDeleteRecordQuestion: PChar = 'Slett Post?';
SNewDeleteRecord: PChar = 'Slett Post?';
...
initialization
RegisterMainModuleClass(TUniMainModule);
SetResourceString(@SMsgDlgConfirm, SNewMsgDlgConfirm);
SetResourceString(@SMsgDlgWarning, SNewMsgDlgWarning);
SetResourceString(@SMsgDlgError, SNewMsgDlgError);
SetResourceString(@SMsgDlgInformation, SNewMsgDlgInformation);
SetResourceString(@SMsgDlgYes, SNewMsgDlgYes);
SetResourceString(@SMsgDlgNo, SNewMsgDlgNo);
SetResourceString(@SMsgDlgOK, SNewMsgDlgOK);
SetResourceString(@SMsgDlgCancel, SNewMsgDlgCancel);
SetResourceString(@SDeleteRecordQuestion, SNewDeleteRecordQuestion);
SetResourceString(@SDeleteRecord, SNewDeleteRecord);
end.