Not to anticipate is already to moan.
The memory of benefits is a frail defence against ingratitude.
One has no right to love or hate anything if one has not acquired a thorough knowledge of its nature. Great love springs from great knowledge of the beloved object, and if you know it but little you will be able to love it only a little or not at all.
One can have no smaller or greater mastery than mastery of oneself.
Even the richest soil, if left uncultivated will produce the rankest weeds.
No human investigation can claim to be scientific if it doesn't pass the test of mathematical proof.