One man cannot practice many arts with success.

Some suggestions for you :

Bodily exercise, when compulsory, does no harm to the body; but knowledge which is acquired under compulsion obtains no hold on the mind.

Excess of liberty, whether it lies in state or individuals, seems only to pass into excess of slavery.

Men of Athens, I honor and love you; but I shall obey God rather than you, and while I have life and strength I shall never cease from the practice and teaching of philosophy... Understand that I shall never alter my ways, not even if I have to die many times.

The rest of the Dialogue of Critias has been lost.

Harmony and grace depend on simplicity… the true simplicity of a rightly and nobly ordered mind and character.

But then, I said, speaking the truth and paying your debts is not a correct definition of justice. Quite correct, Socrates, if Simonides is to be believed, said Polemarchus interposing.

The author's Socrates admonishes paramount awareness human limitations. If we do good to those we evaluate as good and evil to those we evaluate at the evil, and we are wrong, we have been made the world less just.

Philosophy begins in wonder.

When [a man] thinks that he is reasoning he is really disputing, just because he cannot define and divide, and so know that of which he is speaking; and he will pursue a merely verbal opposition in the spirit of contention and not of fair discussion.

Honesty is for the most part less profitable than dishonesty.

No matter at all, I replied; for the point is not who said the words, but whether they are true or not.

And such men, you know, before finding out in what way something they desire can exist, put that question aside so they won't grow weary deliberating about what's possible and not.

Modesty is becoming in youth.

Poetry comes nearer to vital truth than history.