Endeavours can be vain.Logical formLearned from7 sentences. A wisdom can be vain.Logical formLearned from7 sentences. A discourse can be vain.Logical formLearned from7 sentences. A bit can be vain.Logical formLearned from7 sentences. Ones can be vain.Logical formLearned from7 sentences. Images can be vain.Logical formLearned from7 sentences. An attempt can be vain.Logical formLearned from7 sentences. A little girl can be vain.Logical formLearned from7 sentences. Some persons can be vain.Logical formLearned from7 sentences. A society can be vain.Logical formLearned from7 sentences. Talkers can be vain.Logical formLearned from7 sentences. A company can be vain.Logical formLearned from7 sentences. Fools can be vain.Logical formLearned from7 sentences. Knowledge can be vain.Logical formLearned from7 sentences. A cause can be vain.Logical formLearned from7 sentences.