What are the classic sentences that qualitative change causes quantitative change?

The classic sentences that qualitative change causes quantitative change are:

1, any qualitative change in performance comes from the accumulation of quantitative changes.

2, society, some people! What kind of people decide what kind of society! Don't say that society is like this, I can't help it! This is an excuse! Making excuses is really a great evil of human beings! Only we have been changing, one, two, three, quantitative change will eventually produce qualitative change! Only in this way can society have hope! Individuals can change society!

Emotion is quantitative change, and all this will eventually become qualitative change.

It takes a long process from quantitative change to qualitative change, and only a small step from qualitative change to quantitative change.

5. Like and love are qualitative and quantitative changes.

6. Learning needs to accumulate over time, and career success also needs accumulation and unremitting efforts. Accumulation is a kind of perseverance, the only way from small to large, the premise of success, and the process from quantitative change to qualitative change.