1. We must confront the future with optimism. ���DZ����ֹ۵����δ����
2. Optimism is essential to achievement and it is also the foundation �ֹ۶��ڳɾͷdz���Ҫ��ͬʱ���ֹ�Ҳ�����������������Ļ�����
3. The only thing more powerful than negativism is a positive affirmation, a word of optimism and hope. Ψһ�ȷ�̬�ȸ����������ǻ����Ŀ϶���һ������ֹ���ϣ���Ļ��
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n.
1. the optimistic feeling that all is going to turn out well
2. a general disposition to expect the best in all things