Giving words [is] an act of lovers.

Strike the iron whilst it is hot.

I have known many who could not when they would, for they had not done it when they could.

I urge you to spend your youth profitably in study and virtue.... In brief, let me see in you an abyss of knowledge.

One should never pursue the hazards of fortune to their very ends andit behooves all adventurers to treat their good luck with reverence, neither bothering nor upsetting it.

Let every one be fully convinced in his own mind.

The Lord forbid that I should be out of debt, as if indeed I could not be trusted.