It is difficult to free fools from the chains they revere.

Voltaire

El único hombre que no se equivoca es el que nunca hace nada.

Goethe

Be swift to hear, slow to speak.

Russian proverb

If you ever find happiness by hunting for it, you will find it as the old woman did her lost spectacles - on her own nose all the time.

Josh Billings

Beggars can't be choosers.

English Proverb

Vale más hacer y arrepentirse, que no hacer y arrepentirse.

Nicolás Maquiavelo