An explanation of cause is not a justification by reason.
A woman means by unselfishness chiefly taking trouble for others; a man means not giving trouble to others. Thus each sex regards the other as basically selfish.
We all want progress, but if you're on the wrong road, progress means doing an about-turn and walking back to the right road; in that case, the man who turns back soonest is the most progressive.
Solemnity is proper in church, but things that are proper in church are not necessarily proper outside, and vice versa. For example, I can say a prayer while washing my teeth, but that does not mean I should wash my teeth in church.
It may be hard for an egg to turn into a bird: it would be a jolly sight harder for it to learn to fly while remaining an egg. We are like eggs at present. And you cannot go on indefinitely being just an ordinary, decent egg. We must be hatched or go bad.
You can't get a cup of tea big enough or a book long enough to suit me.