I think the two things most opposed to good counsel are haste and passion; haste usaully goes hand in hand with folly, passion with coarseness and na… - Thucydides

Thus both in the movement along the coast and in the naval engagement which ensued, the Syracusans proved themselves quite a match for the Athenians, and at length made their way into the harbour at Messenè.

Themistocles was a man whose natural force was unmistakable; this was the quality for which he was distinguished above all other men;from his own native acuteness, and without any study either before or at the time, he was the ablest judge of the course to be pursued in a sudden emergency,and could best divine what was likely to happen in the remotest future. Whatever he had in hand he had the power of explaining to others, and even where he had no experience he was quite competent to form a sufficient judgment;no one could foresee with equal clearness the good or evil event which was hidden in the future.In a word, Themistocles, by natural power of mind and with the least preparation, was of all men the best able to extemporise the right thing to be done.

(Book 1 Chapter 138.3)

For famous men have the whole earth as their memorial: it is not only the inscriptions on their graves in their own country that mark them out; no, in foreign lands also, not in any visible form but in people's hearts, their memory abides and grows. It is for you to try to be like them. Make up your minds that happiness depends on being free, and freedom depends on being courageous.